1MW	1 Microsoft Way
1TBS	1 True Brace Style
21D	teach yourself ___ in 21 Days
3COM	COMputer, COMmunication, COMpatibility
3Dwm	3-Dimensional Window Manager
3G	3rd Generation
3GIO	3rd Generation Input/Output
3GL	3rd Generation Language
3LD	3rd-Level Domain {IANA}
3NF	3rd Normal Form (databases)
3W	World Wide Web
4GL	4th Generation Language
4WCD	4 Wire Conditioned Diphase
A/D	Analog/Digital
A/UX	Apple UniX
A2A	Application TO Application
AA	Administrative Authority
AA	AntiAliasing
AAA	Administration, Authorization, and Authentication (security)
AAA	Asp Application Aggregator
AAAI	American Association for Artificial Inelligence
AAB	All-to-All Broadcast
AAC	Advanced Audio Coding
AAEPS	Anywhere Anytime Email Proxy Server
AAF	Advanced Authoring Format
AAL	Atm Abstraction Layer
AAMOF	As A Matter Of Fact {chat}
AAP	Application Access Point
AARP	Appletalk Address Resolution Protocol {Apple}
AART	Aggregate Average Response Time
AAS	All-to-All Scatter
AAS	Auto Area Segmentation
AASE	Associate Accredited Systems Engineer {Compaq}
AASP	Ascii Asynchronous Support Package
AAT	Average Access Time
AAUI	Apple Attachment Unit Interface {Apple}
ABA	Address Book Archive
ABAP	Advanced Business Application Programming
ABC	A Bit Cypher
ABC	Atanasoff-Berry Computer
ABCPP	ABC PreProcessor
ABEL	Advanced Boolean Expression Language
ABEND	ABnormal END
ABGP
ABI	Abstract Binary Interface
ABI	Adaptive Brain Interface
ABI	Application Binary Interface
ABIOS	Advanced Basic Input/Output System
ABIST	Automatic Built-In Self Test
ABLE	Adaptive Battery Life Extender
ABM	Anything But Microsoft
ABM	Asynchronous Balanced Mode
ABNF	Augmented Backus Normal Form
ABNF	Augmented Backus-Naur Form
ABR	Area Border Router
ABR	Auto Band Rate
ABR	Available Bit Rate
ABRS	Automated Book Request System
ABS	Address Book Synchronization
abs	Arch Build System {Arch Linux}
ABS	Automated Backup System
ABTS	Ascii Block Terminal Services
AC	Alternating Current
AC	Asheron's Call (game) {Microsoft}
AC	Audio Codec
AC	Authentication Center
AC	Automatic Computer
ACAP	Application Configuration Access Protocol (directory service)
ACC	Audio Communications Controller
ACC	Authorization Contract for Containers (Java)
ACCLAIM	Advanced Concurrent Constraint Languages: Application, Implementation and Methodology
ACCM	Asynchronous Character Control Map
ACCRC	Alameda County Computer Resource Center
ACD	Advanced Communication Design
ACD	Automatic Call Distribution
ACDB	AutoCad DataBase {AutoCAD}
ACDI	Asynchronous Communications Device Interface
ACDK	Artefaktur Component Development Kit
ACE	Access Control Entry {AutoCAD}
ACE	Adaptive Communication Environment
ACE	Adobe Certified Expert {Adobe}
ACE	Advanced Certified Engineer {Caldera}
ACE	Advanced Computing Environment
ACE	Adverse Channel Enhancements
ACE	Automatic Computing Engine
ACEI	Autorité Canadienne pour les Enregistrements Internet
ACF	Access Control Field
ACF	Access Control File
ACF	Advanced Communications Function
ACF	Application Configuration File
ACG	Autocad Customization Guide {AutoCAD}
ACGE	AutoCad GEometry {AutoCAD}
ACGI	AutoCad Graphics Interface {AutoCAD}
ACH	Association for Computers in the Humanities
ACH	Automated Clearing House
ACI	Autocad Color Index {AutoCAD}
ACIA	Asynchronous Communication Interface Adapter
ACIAS	Automated Calibration Interval Analysis System
ACID	Analysis Console for Intrusion Databases
ACID	Atomicity, Consistency, Isolation, Durability (transactions)
ACIRI
ACIS	Advanced Computer Investigative Services
ACIS	Alan Charles Ian Spatial {AutoCAD}
ACIS	American Committee for Interoperable Systems
ACL	Access Control List
ACL	Advanced Cmos Logic
ACL	Allegro Common Lisp
ACL	Asynchronous ConnectionLess
ACM	Advanced Computer Modeling
ACM	Afp Conversion Module
ACM	Association for Computing Machinery
ACM	Audio Compression Manager
ACMB	
ACME	Application Creation Made Easy
ACMS	Application Control Management System
ACNM	Application-Centric Network Management
ACNS	Automated Copyright Notice System {MPAA}
ACO	Access Control Object
ACO	Alarm Cut Off
ACO	Alternate Checksum Option
ACP	Active Code Page
ACP	Ancillary Control Program
ACP	Auxiliary Control Process
ACPI	Advanced Configuration and Power Interface {MS/Intel/Toshiba}
ACR	Advanced Communication Router
ACR	Allowed Cell Rate
ACR	Applied Computer Research
ACR	AutoCad Reference {AutoCAD}
ACR	Available Cell Rate
ACROSS	Automated Cargo Release and Operations Service System
ACRX	AutoCad Runtime eXtension {AutoCAD}
ACS	Access Control Server
ACS	Access Control Set
ACS	Access Control System
ACS	Admission Control Service {Microsoft}
ACS	Advanced Communications System
ACS	Advanced Computer System
ACS	Arsdigita Community System
ACS	Asynchronous Communications Server
ACS	Automatic Class Selection
ACS	Automatic Contrast Selection
ACSE	Association Control Service Element
ACSM	Application-Centric Storage Management
ACSS	Aural Cascading Style Sheets
ACT	Anti-Censorship Tools
ACT	Anti-Clogging Token
ACT	Application Center Test
ACT	Application Compatibility Toolkit
ACT	Association for Competitive Technology (Microsoft-sponsored)
ACTS	Advanced Communication Technologies and Services 
ACTS	Automatic Coin Telephone Service
ACTS	Automated Computer Time Service
ACTT	Advanced Communications Timekeeping Technology
ACVC	Ada Compiler Validation Capacity
AD	Active Desktop {Microsoft}
AD	Active Directory {Microsoft}
AD	Administrative Domain
AD	Application Development
ADA	Adobe Developers Association {Adobe}
ADA	Automatic Data Acquisition
ADABAS	Adaptable DAtaBAse System
ADAM	Active Directory Application Mode {Microsoft}
ADAM	Affordable Desktop Application Manager
ADAPT	Architecture, Design, Analysis and Planning Tool
ADB	Apple Desktop Bus {Apple}
ADBS	Advanced Data Broadcast System
ADC	Active Directory Connector {Microsoft}
ADC	Adaptive Data Compression {Hayes}
ADC	ADd with Carry (assembly programming)
ADC	Advanced Data Connector
ADC	Advanced Data Control
ADC	Analog to Digital Converter
ADC	Apple Developers Conference {Apple}
ADC	Apple Display Connector {Apple}
ADC	Application Delete Certificate
ADC	Application Development Consultant
ADCCP	Advanced Data Communications Control Procedure
ADD	Adapter Device Driver
ADD	Automated Daily Desktop
ADD	Automatic Document Detection
ADDMD	ADministrative Directory Management Domain
ADE	Adaptable Development Environment
ADE	Application Data Export {Oracle}
ADE	Autocad Data Extension {AutoCAD}
ADEV	Appletalk DEVice {Apple}
ADF	Adapter Description File
ADF	Adaptive Database Frontend
ADF	Automatic Document Feeder
ADF	Automatically Defined Function
ADH	Anonymous Diffie-Hellman key exchange
ADI	Autodesk Device Interfaces {AutoDesk}
ADIOS	Automated Download and Installation of Operating Systems
ADK	Appliance Development Kit
ADL	Abstract Data Layer (XML tool)
ADL	Address Data Latch
ADL	Advanced Digital Logic
ADL	Advances in Digital Libraries {IEEE}
ADL	Adventure Description Language
ADL	Architecture Description Language
ADL	Autodesk Display List driver {AutoDesk}
ADLC	Adaptive Lossless Data Compression 
ADLC	Asynchronous Data Link Control
ADM	Application Distribution and Management
ADMACS	Apple Document Management And Control System {Apple}
ADMD	ADministration Management Domain
ADML	Application Description Markup Language
ADMS	Adstar Distributed Management System
ADMT	Active Directory Migration Tool {Microsoft}
ADN	Advanced Digital Network
ADN	Any Day Now {chat}
ADN	Autodesk Developer Network {AutoDesk}
ADO	Activex Data Object {Microsoft}
ADODB	Activex Data Object DataBase {Microsoft}
ADOMD	Activex Data Object Multi-Dimensional {Microsoft}
ADOX	Activex Data Object eXtensions {Microsoft}
ADP	Abstract Design Processor
ADP	Access Database Project {Microsoft}
ADP	Aol Dynamic Pages {AOL}
ADP	Autodesk Data Publishing {AutoDesk}
ADP	Automatic Data Processing
ADPCM	Adaptive Differential Pulse Code Modulation
ADR	Advanced Digital Recording
ADS	Active Directory Service {Microsoft}
ADS	Advanced Digital System
ADS	Application Development Solutions {AT&T}
ADS	Application Development System
ADS	Astrophysics Data System
ADS	Audio Distribution System
ADS	Authoritative Directory Service
ADS	Autocad Development System {AutoCAD}
ADS	Automated Deployment Services {Microsoft}
ADS	Automatic Distribution System
ADS/O	Application Development System / Online
ADSC	Adobe Document Structuring Conventions {Adobe}
ADSI	Active Directory Service Interfaces {Microsoft}
ADSI	Analog Display Services Interface
ADSL	Advanced Digital Subscriber Line {Netspeed}
ADSL	Asymmetric Digital Subscriber Line
ADSM	Adstar Distributed Storage Manager
ADSM	Advanced Data Storage Management
ADSP	Appletalk Data Stream Protocol {Apple}
ADSR	Attack, Decay, Sustain, Release
ADSS	Asset Disposition and Support Services {IBM}
ADSU	Atm Data Service Unit
ADT	Abstract Data Type
ADT	Access Developer Toolkit {Microsoft}
ADT	Application Development Trends (magazine)
ADT	Asynchronous Data Transfer
ADTG	Advanced Data TableGram (file format)
AdTI	Alexis De Toqueville Institution
ADU	Automatic Dialing Unit
ADW	Advanced Docking Window
ADW	Application Development Workbench
AE	Above or Equal
AE	Adaptive Enterprise {HP}
AE	Application Engineer
AE	Application Entity
AEA	American Electronics Association
AEB	Analog Expansion Bus
AEBPR	Advanced E-Book PRocessor {ElcomSoft}
AEC	Architecture, Engineering and Construction
AEGIS	Advanced Electronic Guidance and Instrumentation System
AEI	Application Enabling Interface
AEM	Asynchronous Event Mechanism
AEP	Appletalk Echo Protocol {Apple}
AES	Advanced Encryption Standard
AESA	Atm End System Address
AF	Assured Forwarding
AF	Attribute Format
AF	Audio Frequency
AFA	Accelerated File Access
AFAIAA	As Far As I Am Aware {chat}
AFAIC	As Far As I'm Concerned {chat}
AFAICR	As Far As I Can Remember {chat}
AFAICS	As Far As I Can See {chat}
AFAICT	As Far As I Can Tell {chat}
AFAIK	As Far As I Know {chat}
AFAIR	As Far As I Remember {chat}
AFAIUI	As Far As I Understand It {chat}
AFAMPE	Air Force Automated Message Processing Exchange
AFC	AntiFerromagnetically-Coupled {IBM}
AFC	Application Foundation Classes
AFC	Automatic Font Change
AFC	Automatic Frequency Control
AFCAC	Air Force Computer Acquisition Center
AFCEE	Association Francaise pour les Echanges et le Commmerce Electronique
AFCET	Association Francaise pour la Cybernetique Economique et Technique
AFD	Automatic File Distribution
AFD	Automatic File Distributor
AFDDN	Air Force Defense Data Network
AFDW	Active Framework for Data Warehousing {Microsoft}
AFE	Apple File Exchange {Apple}
AFEB	AFrican Edifact Board
AFEHCT	Association For Electronic Health Care Transactions
AFFS	Amiga Fast File System {Amiga}
AFI	Authority and Format Identifier
AFI	Authority and Format Indicator
AFII	Association for Font Information Interchange
AFIRM	Automated Fingerprint Image Reporting and Match
AFIT	Air Force Institute of Technology
AFJ	April Fools Joke {usenet}
AFK	Away From Keyboard {chat}
AFLCD	AntiFerroelectric Liquid Crystal Display
AFM	Adobe Font Metrics {Adobe}
AFO	Alien Front Online
AFP	Advanced Function Presentation {IBM}
AFP	Advanced Function Printing
AFP	Appletalk Filing Protocol {Apple}
AFPI	Association Francaises des Profesionnels Internet
AFPL	Alladin Free Public License
AFPR	Alternate-Font-Prompt-Reduction
AFR	Alternate Frame Rendering
AFR	Annualized Failure Rate
AFS	Andrew File System {CMU}
AFSDB	Andrew File System DataBase {CMU}
AFT	Adapter Fault Tolerance
AFT	Almost Free Text (documentation tool)
AFTP	Anonymous File Transfer Protocol
AFUU	Association Française des Utilisateurs d'Unix
AFUP	Association Française des Utilisateurs de Php
AGA	Advanced Graphics Adapter
AGA	Advanced Graphics Architecture
AGARAS	AntiGlare, AntiReflective, AntiStatic
AGC	Automatic Gain Control
AGCC	Advanced Graph and Chart Collection
AGDA	
AGE	Amorphium Graphics Engine
AGE	Autocad development Group Europe {AutoCAD}
AGIL	Adventure Game Interpreter for Linux
AGLR	AntiGlare, Low Reflection
AGP	Accelerated Graphics Port {Diamond Multimedia}
AGP	Advanced Graphics Protocol
AGT	
AGU	Address Generation Unit
Ah	Ampere Hour
AH	Authentication Header
AHA	Adaptec Host Adapter {Adaptec}
aha	Archi's Homepagehoster Admintool
AHBL	Abusive Hosts Blocking List
AHDL	Analog Hardware Description Language
AHFG	Atm-attached Host Functional Group
AHIP	Arpanet Host-Imp Protocol
AHIP-E	Arpanet Host-Imp Protocol, Enhanced
AHS	Abstract Handle Specification
AI	Analog Input
AI	Artificial Intelligence
AIA	Applications Integration Architecture {DEC}
AIAP	Alternative Interface Access Protocol
AIC	Aixwindows Interface Composer {IBM}
AIC	Aixwindows Interface Controller {IBM}
AIC	Application Interchange Components
AICCSA	Acs/ieee International Conference on Computer Systems and Applications
AID	Application IDentifier
AIDE	Advanced Intrusion Detection Environment
AIF	Audio Interchange Format
AIFF	Audio Interchange File Format {Apple}
AIG	Address Indicator Group
AIH	Asia Internet Holding company
AII	Active Input Interface
AIIM	Association for Information and Image Management
AIISC	Artificial Intelligence Interface Standards Committee {IGDA}
AIM	Aol Instant Messenger {AOL}
AIM	Apple, Ibm, Motorola
AIM	Application Integration Module
AIM	Application Interface Module
AIM	Atm Inverse Multiplexer
AIMACO	AIr MAterial COmmand compiler
AIML	Artificial Intelligence Markup Language
AIML	Astronomical Instrument Markup Language
AIMS	Action Item Management System
AIN	Advanced Intelligent Network
AIO	All-In-One
AIO	Asynchronous Input/Output
AIOCP	All-In-One Control Panel
AIOP	All In One Program
AIP	Application Infrastructure Provider
AIP	Asp Infrastructure Provider
AIP	Atm Interface Protocol
AIPA	Authority for Information technology in the Public Administration (Italy)
AIR	Annals of Improbable Research
AIR	Architecture Implementation Review
AIR	As I Recall {chat}
AIR	As I Remember {chat}
AIS	Address Information System {USPS}
AIS	Alarm Indication Signal
AIS	Association for Information Systems
AIS	Automated Information System
AISB	Application Integration Service Bus
AISB	As I Said Before {chat}
AISB	Association of Imaging Service Bureaus
AISI	As I See It {chat}
AISP	Association of Information Systems Professionals
AIT	Advanced Intelligent Tape
AIT	Autocad Iges Translator {AutoCAD}
AITO	Association Internationale pour les Technologies Objets
AIUG	Armenian Internet Users Group
AIUI	As I Understand It {chat}
AIUP	Acceptable Internet Use Policy
AIW	As It Was {chat}
AIX	Advanced Interactive eXecutive {IBM}
AJDT	AspectJ Development Tools
AJP	Apache Jserv Protocol
AK TPDU	AcKnowledge TPDU {ISO}
AL	Address List
ALA	A List Apart
ALAC	At-Large Advisory Committee {ICANN}
ALAP	Appletalk Link Access Protocol {Apple}
ALAT	Advanced Load Address Table
ALB	Advanced Load Balancing
ALC	Airline Link Control
ALC	Application Load Certificate
ALC	Arithmetic and Logic Circuits
ALC	Automatic Level Control
ALDC	Adaptive Lossless Data Compression {IBM}
ALE	Account Level Equivalence
ALE	Address Latch Enable
ALE	Annualized Loss Expectancy
ALE	Apple Lossless Encoding {Apple}
ALE	Application Launch and Embedding
ALE	Application Link Enabling
ALEC	Alternative Local Exchange Carrier
ALEP	Advanced Language Engineering Platform
ALEPH	A Language Encouraging Program Hierarchy
ALF	Abstract Large File
ALG	Application Layer Gateway
Algol	ALGOrithmic Language
ALIBI	Adaptive Location of Internetworked Bases of Information
ALICE	Advanced Linux Installation and Configuration Environment {SuSE}
ALICE	Artificial Linguistic Internet Computer Entity
ALINA	At Least It's Not Access (DBMS)
ALINK	Active LINK
ALIWEB	Archie-Like Indexing in the WEB
ALM	Application Lifecycle Management
ALM	Asynchronous Line Multiplexer
ALN	Asynchronous Learning Network
ALOA	A Lint Output Analyzer
ALP	Apple List Price {Apple}
ALP	Association for Logic Programming
ALP	Automatic Language Processing
ALPINE	
ALR	Advanced Logic Research
ALS	Annual Linux Showcase
ALS	Atlanta Linux Showcase {ALUG}
ALSA	Advanced Linux Sound Architecture
ALSA	Architectures of Large Systems of Agents
ALSO	At-Large Supporting Organization {ICANN}
ALU	Arithmetic Logic Unit
ALUG	Atlanta Linux User Group
AM	Account Management
AM	Agile Modeling
AM	Alert Manager (system notifications)
AM	Amplitude Modulation
AM	Application Model
AM	Attribute Mark
AMA	Autoconf Macro Archive
AMA	Automatic Message Accounting
AMANDA	Advanced Maryland Automatic Network Disk Archiver
AMAP	As Many As Possible {chat}
AMAS	Academy of Machinima Arts and Sciences (computer animation)
AMASS	Archival Management And Storage System
AMaViS	A MAil VIrus Scanner
AMBA	Advanced Microcontroller Bus Architecture
AMD	Active Matrix Display
AMD	Advanced Micro Devices
AMD	Autodesk Mechanical Division {AutoDesk}
AME	Advanced Metal Evaporation
AME	Advanced Modeling Extension
AMF	Abbreviated Message Format
AMF	Adios, Mother F***er {chat}
AMF	Adios, My Friend {chat}
AMH	Application Message Handling
AMH	Automated Message Handler
AMHA	Advanced macro Heuristic Analysis {Dr. Solomon}
AMHIK	Ask Me How I Know {chat}
AMHS	Automated Message Handling System
AMI	Alternate Mark Inversion
AMI	American Megatrends, Inc
AMI	Application Messaging Interface
AMI	Authentication Management Infrastructure
AMIS	Adaptive Multimedia Information System
AMIS	Audio Message Interchange Standard
AML	Atelier de Maintenance Logiciel
AMLCD	Active-Matrix Liquid Crystal Display
AMMA	Advanced Memory Management Architecture
AMME	Automated Multi-Media Exchange
AMN	Abstract Machine Notation
AMP	Alceri Multimedia Player
AMP	Asymmetric MultiProcessing
AMP	Attached Media Processor
AMPE	Automated Message Processing Exchange
AMPLE	An MP3 LEnder
AMPS	Advanced Mobile Phone System
AMQRS	Audio Master Quality Recording System
AMR	Audio Modern Riser
AMS	Address Management System {USPS}
AMS	Advanced Mass Sender (spamware)
AMS	Advanced Microcomputer System
AMS	Automated Management Station
Amstrad	Alan Michael Sugar TRADing
AMV	Advanced Maillist Verify
ANA	Article Numbering Association 
AND	AutoNiceDaemon
ANDaCon-Da	Automated Network Discovery And CONfiguration
ANDF	Architecture-Neutral Distribution Format
ANFAWFOS	And Now For A Word From Our Sponsors {chat}
ANFSCD	And Now For Something Completely Different {chat}
ANI	Automatic Number Identification
ANL	Argonne National Laboratory
ANN	Artificial Neural Network
ANS	Advanced Network and Services
ANS	Apple Network Server {Apple}
ANS	Atm Name Service
ANSI	American National Standards Institute
ANSNET	
ANT	Advanced Network Tools
ANT	Another Neat Tool (compiler helper)
AO	Active Open
AO	Analog Output
AOCE	Apple Open Collaboration Environment {Apple}
AOD	Audio On Demand
AODV	Ad hoc On-demand Distance Vector
AOE	Application Operating Environment
AOI	Active Output Interface
AOL	America OnLine
AOM	Adaptive Object-Models
AOM	Authoring Object Model
AOO	Approche OrientÈe Objet (OOP)
AOP	Aspect-Oriented Programming {PARC}
AOS	Academic Operating System {IBM}
AOSD	Aspect-Oriented Software Development
AOSG	Advanced Operating Systems Group {MIT}
AOTC	American Open Technology Consortium
AOW	Asia and Oceania Workshop
AP	Access Point
AP	Advanced Pick (database)
AP	Application Process
APA	Arithmetic Processing Accelerator
APAR	Authorized Program Analysis Report
APaRT	Automatic PAcket Recognition/Translation
APC	Alternative Php Cache
APC	Amarc Protocol Converter
APC	Asynchronous Procedure Call
APCT	Autodin Personal Computer Terminal
APCUG	Association of Personal Computer User Groups
APD	Advanced Php Debugger
APD	Aldus Printer Description
APDA	Apple Programmers and Developers Association {Apple}
APDU	Application Protocol Data Unit
APG	Advanced Product Groups
APG	Automated Password Generator
APH	Arpanet Protocol Handbook {ARPA}
Aphid	Apache/Perl Http Installation Daemon
API	Accredited Platform Integrator {Compaq}
API	Application Programming Interface
APIC	Advanced Programmable Interrupt Controller
APIGSS	All Party Internet Group Spam Summit
APL	A Programming Language
APM	Advanced Power Management
APM	Aldus Placeable Metafile
APNIC	Asia-Pacific Network Information Center
APOP	
APOS	Advanced Point Of Sale (POS software application)
APP	Agence pour la Protection des Programmes
APPC	Advanced Program-to-Program Communication
APPI	Advanced Peer-to-Peer Internetworking
APPID	APPlication IDentifier {COM}
APPN	Advanced Peer-to-Peer Networking {IBM}
APPN	Advanced Program to Program Networking {IBM}
APR	Apache Portable Runtime {Apache}
APS	Accredited Platform Specialist {Compaq}
APS	Advanced Patching System
APS	Advanced Photo System
APS	Asynchronous Protocol Specification
APS	Authorization Proxy Server
APSC	Autodesk Premier Support Center {AutoDesk}
APSL	Apple Public Source License {Apple}
APT	Address Pass Through
APT	Almost Plain Text
APTCA	Allow Partially Trusted Callers Attribute
APUMS	AntePenUltimate MineSweeper
APWG	Anti-Phishing Working Group
AR	Augmented Reality
ARA	Appletalk Remote Access {Apple}
aradis	Attachment Ripper And DIsplacement System
ARAP	Apple Remote Access Protocol {Apple}
ARB	Architecture Review Board
ARC	Advanced Risc Computing
ARC	Audio Response Controller
ARCA	Advanced Risc Computing Architecture
ARCNET	Attached Resource Computer NETwork
ARIN	American Registry for Internet Numbers
ARIS	
ARL	Access Rights List
ARL	Adjusted Ring Length
ARLL	Advanced Run Length Limited
ARM	Advanced Risc Machine
ARM	Annotated Reference Manual {C++}
ARM	Asynchronous Response Mode
ARM	Autocad Reference Manual {AutoCAD}
ARMM	Automated Retroactive Minimal Moderation {usenet}
ARO	Access Request Object
AROS	Amiga Research Operating System
ARP	Address Resolution Protocol
ARP	Autodesk Retail Products
ARPA	Address and Routing Parameter Area {IANA}
ARPA	Advanced Research Projects Agency {US DOD}
ARQ	Automatic Repeat reQuest
ARRG-RG	Authority Recognition Research Group Research Group {GGF}
ARSCIF	Asynchronous Remote Script Callback Invocation (sic)
ART	Abuse Response Team (antispammers)
ART	Average Response Time
aRts	Analog Real Time Synthesizer {KDE}
ARU	Audio Response Unit
ARX	Autocad Runtime eXtension {AutoCAD}
AS	Application Server
AS	Application System {IBM}
AS	Authentication Server
AS	Autonomous System
AS3AP	Ansi Sql Standard Scalable And Portable
ASAP	American Society for Automation in Pharmacy
ASAP	Application-specific Systems, Architectures and Processors
ASB	Advanced System Buffering {Intel}
ASBR	Autonomous System Boundary Router
ASC	Accredited Standards Committee
ASC	Autodesk Systems Center {Autodesk}
ASCI	Accelerated Strategic Computing Initiative
ASCII	American Standard Code for Information Interchange
ASCP	Alpha Sign Communications Protocol
ASDSP	Application-Specific Digital Signal Processor
ASDI	Automated Software Distribution Interface
ASE	Accredited Systems Engineer {Compaq}
ASE	Advanced Sql Editor {the Kompany}
ASE	Application Service Element
ASE	Autocad Sql Extension {AutoCAD}
ASEB	ASia Edifact Board
ASEMH	Army Standard Electronic Mail Host
ASF	Advanced Streaming Format {Microsoft}
ASF	Apache Software Foundation {Apache}
ASI	Autocad Sql Interface {AutoCAD}
ASIC	Application-Specific Integrated Circuit
ASIN	Amazon Standard Identification Number {Amazon}
ASIS&T	American Society for Information Science AND Technology
ASIS	American Society for Information Science and technology
ASIS	Application Software Installation Server
ASIT	Advanced Security and Identification Technology
ASK	Active Spam Killer
ASL	Astaro Security Linux
ASM	Alternate Stimulus Mode protocol
ASM	Association for Systems Management
ASMP	ASymmetric MultiProcessing
ASN	Abstract Syntax Notation
ASN	Autonomous System Number
ASN.1	Abstract Syntax Notation 1
ASP	Abstract Service Primitive
ASP	Active Server Page {Microsoft}
ASP	Appletalk Session Protocol {Apple}
ASP	Application Service Provider
ASP	Association of Shareware Professionals
Aspen	Acquisition Signal Processing ENgine {HP}
ASPI	Advanced Scsi Programming Interface
ASPLOS	
ASPN	ActiveState Programmer Network {ActiveState}
ASPS	Advanced Signal Processing System
asr	Alt.Sysadmin.Recovery {usenet}
ASR	Automatic Speech Recognition
ASRG	Anti-Spam Research Group {IETF}
ASSIST	Automated Special Security Information System Terminal
ASSP	Application Server Software Platform
AST	Abstract Syntax Tree
AST	Albert, Safi, Thomas {AST Research}
AST	Asynchronous System Trap
AST	Automatic Spanning Tree
ASTA	Advanced Software Technology and Algorithms
ASTIR	Amateur Station Tracking and Information Reporting
ASTW	Agency Standard Terminal Workstations
ASUS
ASV	Action Script Viewer
ASVD	Analog Simultaneous Voice and Data
AT	Advanced Technology {IBM}
AT	AppleTalk {Apple}
AT	Assistive Technology
AT-Net	AppleTalk NETwork {Apple}
ATA	Advanced Technology Attachment {ANSI}
ATA	Alliance for Technology Access
ATAG	Authoring Tool Accessibility Guidelines
ATAP	Association of Tech Act Projects
ATAPI	Advanced Technology Attachment Packet Interface
ATC	Abstract Test Case
ATC	Advanced Transfer Cache {Intel}
ATC	Autodesk Training Center {AutoDesk}
ATCP	AppleTalk Control Protocol
ATD	Aix Termination Date {SCO}
atd	AT Daemon
ATD	Atmospheric Technology Division {NCAR}
ATD	Attention To Detail (UK game developer house)
ATDM	Asynchronous Time Division Multiplexing
ATDP	ATtention Dial Pulse
ATDT	ATtention Dial Tone
ATE	Asynchronous Terminal Emulation
ATE	Atm Terminating Equipment
ATE	Automated Test Equipment
ATF	Application Transparent Failover
ATG	Address Translation Gateway
ATG	Advanced Technology Group
ATI	Associated Technologies, Inc.
ATICA	Agency for Technologies of Information and Communication in Administration
atk	Accessibility ToolKit
ATK	Andrew ToolKit
ATL	Activex Template Library {Microsoft}
ATL	Americans for Technology Leadership (Microsoft-sponsored)
ATLA	Another Three Letter Acronym
ATLAS	Automatically Tuned Linear Algebra Software
ATM	Adobe Type Manager {Adobe}
ATM	Asynchronous Transfer Mode
ATM	At The Moment {chat}
ATM	Automated Teller Machine
ATMM	Asynchronous Transfer Mode Management
ATMS	Assumption-based Truth Maintainance System
ATP	Advanced Technology Program
ATP	Agent Transport Protocol
ATP	Appletalk Transaction Protocol {Apple}
ATP2	AppleTalk Phase 2 {Apple}
ATPG	Automatic Test Pattern Generation
ATPS	AppleTalk Print Services {Apple}
ATRAC	Adaptive TRansformation Acoustic Coding {Sony}
ATS	Abstract Test Suite
ATS	Apple Terminal Services {Apple}
ATSG	Antispam Technology and Strategy Group {Microsoft}
ATSQL	
atsr	Alt.Tech-Support.Recovery {usenet}
ATTENS	AT&T Enhanced Network Services {AT&T}
ATW	Aol-Time-Warner
ATX
AU	Access Unit
AUDIX	AUDio Information eXchange
AUG	Autocad User's Guide {AutoCAD}
AUI	Association des Utilisateurs d'Internet
AUI	Attachment Unit Interface
AUIML	Abstract User Interface Markup Language {IBM}
AUO	Active User Object
AUP	Acceptible Use Policy
AURP	Appletalk Update-based Routing Protocol {Apple}
AUTODIN	AUTOmatic DIgital Network
AutoFSM	AUTOmated Finite State Machine
AUUG	Australian Unix User's Group
AUX	Apple UniX {Apple}
AV	AntiVirus
AV	Array Variable (Perl internal data type)
AV	AutoVisual {AutoDesk}
AV	Auxiliary Vector
AV3D	Audio/Video 3-Dimensional library
AVA	Audio Visual Authoring
AVC	Audio Visual Connection
AVCSW	Audio Video Coding Standards Workgroup
AVE	Autocad Visualization Extension {AutoCAD}
AVERT	AntiVirus Emergency Response Team {McAfee}
AVEX	Audio Video EXchange {BionicFX}
AVFS	A Virtual File System
AVI	Audio Video Interleave {Microsoft}
AVOIR	African Virtual Open Initiatives and Resources
AVP	Attached Virtual Processor
AVR	Automatic Voice Recognition
AVS	Audio Video coding Standard
AVSR	Audio Visual Speech Recognition
AVSS	Advanced Video and Signal-based Surveillance
AVSSCS	Audio Visual Service Specific Convergence Sublayer
AVT
AWC	Autodesk Work Center {AutoDesk}
AWCIGO	And Where Can I Get One {chat}
AWCP	Austin Wireless City Project
AWE	Address Windowing Extensions
AWE	Autocad Windows Extension {AutoCAD}
AWF	Adaptive Website Framework
AWG	American Wire Gauge
AWG	Architectural Working Group
AWGTHTGTATA	Are We Going To Have To Go Through All This Again? {chat}
AWGTHTGTTA	Are We Going To Have To To Through This Again? {chat}
AWHFY	Are We Having Fun Yet? {chat}
awk	Aho, Weinberger, Kernighan
AWR	Advanced Web Ranking
AWS	Amazon Web Services {Amazon}
AWStats	Advanced Web STATisticS
AWT	Abstract Windows Toolkit {Sun}
Axiom	Advanced eXpress I/O Module {ATI}
AYB	All Your Base
AYOR	At Your Own Risk {chat}
AYT	Are You There? {chat}
AZEB	Australia/new Zealand Edifact Board
AZERTY
B2B	Business TO Business
B2B2C	Business TO Business TO Consumer
B2Bi	Business TO Business Integration
B2C	Business TO Consumer
B8ZS	Binary 8-Zero Substitution
BABS	British Airways Booking System
BAD	Broken As Designed
BAK	Back At Keyboard {chat}
BAK	Binary Adaptation Kit
BAL	Basic Assembly Language
BAR	Backbone Access Router
BARTS	Bell Atlantic Regional TimeSharing
BASDA	Business and Accounting Software Developers Association
BASH	Bourne Again SHell
BASIC	Beginner's All-purpose Symbolic Instruction Code
BASPRA	Bay Area Software Professionals for Responsibility and Accountability
BAT	Block Address Translation
BATCH	Block Allocation Transfer CHannel
BAUD	Bit At Unit Density
BB&N	Bolt, Beranek and Newman
BBC	Bootable Business Card {LinuxCare}
BBC	British Broadcasting Company
BBDB	Big Brother DataBase
BBL	Be Back Later {chat}
BBN	Bolt, Beranek and Newman
BBNNTP	Bulletin Board Network News Transfer Protocol
BBS	Be Back Soon {chat}
BBS	Bulletin Board System
BBU	Battery Backup Unit
BC4J	Business Components FOR Java
BCB	Borland C++ Builder {Borland}
BCC	Base Communications Center
BCC	Blind Carbon Copy
BCC	Block Check Character
BCD	Binary Coded Decimal
BCDIC	Binary Coded Decimal Interchange Code
BCG	Boston Consulting Group
BCIP	Brainbench Certified Internet Professional {Brainbench}
BCL	Base Class Library
BCL	Batch Command Language
BCNF	Boyce-Codd Normal Form (databases)
BCP	Best Current Practices
BCP	Binary Communications Protocol
BCP	Bulk Copy Program
BCPL	Basic Combined Programming Language
BCPL	Basic Computer Programming Language
BCR	Byte Count Register
BD	Blu-ray Disc
BDA	Bios Data Area
BDAM	Basic Direct Access Method
BDB	Berkeley DataBase
BDC	Backup Domain Controller {Microsoft}
BDD	Binary Decision Diagram
BDE	Borland database Engine {Borland}
BDF	Binary Data Fonts {Microsoft}
BDF	Bitmap Description Format
BDFQ	Big Document Full of Questions
BDM	Backward Dawg Matching (algorithms)
BDM	Background Debug Mode {GHS}
BDM	Business Development Manager {Microsoft}
BDNM	Backward Dawg Nondeterministic Matching (algorithms)
BDUF	Big Design Up Front
BE	Back End
BEAST	BEdeviled Audio SysTem
BECN	Backward Explicit Congestion Notification
BED	Bruteforce Exploit Detector
BED	Bulk Encryption Device
BEEP	Blocks Extensible Exchange Protocol
BeFS	BE File System {Be}
BEG	Big Evil Grin {chat}
BeIA	BE Internet Appliance {Be}
BEJY	
BELLCORE	BELL COmmunications REsearch
BENIDS	BEneficial Network Intrusion Detection System
BeOS	BE Operating System {Be}
BER	Basic Encoding Rules
BER	Bit Error Rate
BERT	Bit Error Rate Transfer
BERT	Bit ERror Tester
BEST	Borland Enhanced Support and Training {Borland}
BFBI	Brute Force and Bloody Ignorance
BFC	Biztalk Framework Compliant
BFF	Binary File Format
BFG	Big Friendly Grin {chat}
BFG	Big F***ing Grin {chat}
BFG	Big F***ing Gun (FPS games)
BFI	Brute Force and Ignorance
BFM	Business Flow Manager (B2B system)
BFMI	Brute Force and Massive Ignorance
BFN	Bye For Now {chat}
BFP	
BFS	Breadth-First Search
BFS	Boot File System
BFT	Binary File Transfer
BFTP	Background File Transfer Program {ISI}
BG	BackGround
BG	Big Grin {chat}
BGA	Ball Grid Array
BGI	Borland Graphics Interface {Borland}
BGL	Boost Graph Library {Boost} (c++ programming)
BGP	Border Gateway Protocol {Cisco/IBM}
BGP4	Border Gateway Protocol version 4
BHL	from Brut to Html and Latex (document processing)
BI	Briedbart Index {usenet}
BI	Business Intelligence
BICK	Bootable Iso Construction Kit
BiCMOS	BIpolar Complementary Metal Oxide Semiconductor
BiDi	BIDIrectional
BIE	Business Integration Engine
BIF	Build It Fast
BIFF	Binary Interchange File Format {Microsoft}
Big Sam	Built-In Guestbook Stand-Alone Module
BIGA	Bus Interface Gate Array
BIM	Beginning of Information Marker
BIM	Business Information Modeling
BIND	Berkeley Internet Name Domain {BSD}
BINHEX	BINary HEXadecimal
BINOP	BINary OPerator
BINS	
BION	Believe It Or Not {chat}
BIOS	Basic Input/Output System
BIPS	Billions of Instructions Per Second
BIRT	Business Intelligence and Reporting Tools
BIS	Binary Intermediate System
BIS	Binary Information System
BISDN	Broadband Integrated Services Digital Network
BISF	Business Integration Server Foundation
BIST	Built-In Self Test
BIT	BInary digiT
BIT	Built-In Test
BIT	Business Internet Trends
BITBLT	BIT BLock Transfer
bitches	Build In True CHroot Environment System
BITNET	Because It's There NETwork
BITNET	Because It's Time NETwork
BITNIC	BITnet Network Information Center
BITS	Base Information Transfer System
BIU	Bus Interface Unit
BIX	Byte Information eXchange
BJT	Bipolar Junction Transistor
BKFTP	
BLADES	Base Level Autodin to Disn Exchange System
blaim	BLowfish encryption for gAIM
BLAST	BLocked ASynchronous Transmission
BLMC	Buried Logic MacroCell
BLOB	Binary Large OBject (databases)
BLOC	Brightmail Logistics and Operations Center
BLT	BLock Transfer
BMAH	Box Model Auto Hacker
BMC	Baseboard Management Controller {Intel}
BMH	Base Message Host
BMIC	BusMaster Interface Controller
BML	Bean Markup Language
BMP	Base Multilingual Plan
BMP	Batch Message Processor
BMP	Bean-Managed Persistence
BMP	BitMap Picture {Microsoft}
BMPIA	Business Method Patent Improvement Act
BMT	Bean Managed Transactions
BMTA	Backbone Message Transfer Agent
BMW	Black Marble Wombat (mailing list management)
BNAVE	Balance Nave Automatic Virtual Environment
BNC	Barrel Network Connector
BNC	Bayonet Neill-Concelman
BNC	British Naval Connector (networking)
BNCC	Base Network Control Center
BNDM	Backward Nondeterministic Dawg Matching (algorithms)
BNF	Backus Normal Form (databases)
BNF	Backus-Naur Form (databases)
BNL	Brookhaven National Laboratory
BNN	Boundary Network Node
BO	Back Office {Microsoft}
BO	Back Orifice {Cult of the Dead Cow}
BO	Business Object
BOA	Basic Object Adapter {CORBA}
BOADICEA	British Overseas Airways Digital Indicating Computer for Electronic Automation
BOBW	Best Of Both Worlds {Apple}
BOC	Bell Operating Company
BOD	Business Object Documents
BOEL	Brian's Own Embedded Linux
BOF	Beginning Of File
BOF	Birds Of a Feather
BOFH	Bastard Operator From Hell
BOL	Books On Line {Microsoft}
BOM	Beginning Of Message
BOM	Business Operations Map
BOM	Byte Order Mark
BOND	Bandwidth ON Demand
BOND	Building Object Network Databases
BONDING	Bandwidth ON Demand INteroperability Group
BONE
BOOM	Binocular Omni-Oriented Monitor
BOOTP	BOOTstrap Protocol
BOPM	Blitzed Open Proxy Monitor
BOS	Base Operating System {IBM}
BOS	Big Orange Switch
BOS	Bull Open Software {Bull}
BOSIX	Biin Open System Interface eXtension
BOSS	Business of Open Source Software {OCLUG}
BOT	Back On Topic {chat}
BOV	Business Operational View
BP	Base Pointer
BP	Break Point (debuggers)
BPA	Business Process Activity
BPB	Bios Parameter Block
BPDG	Broadcast Protection Discussion Group
BPDU	Bridge Protocol Data Unit
BPEL	Business Process Execution Language
BPEL4WS	Business Process Execution Language FOR Web Services
BPF	Berkeley Packet Filter {BSD}
BPF	Bsd Packet Filter {BSD}
BPI	Bits Per Inch
BPI	Business Process Improvements
BPL	Broadband over Power Lines
BPM	Business Process Management
BPMI	Business Process Management Initiative
BPML	Business Process Markup Language
BPMS	Business Process Management System
BPP	Bad Penguin Package
BPR	Broadband Provisioning Registrar {Cisco}
BPS	Bits Per Second
BPS	Bytes Per Second
BPSS	Business Process Specification Schema
BQS	Berkeley Quality Software
BRB	Be Right Back {chat}
BRCI	Brigade de Repression de la Criminalite Informatique
BRE	Barren Realms Elite (BBS game)
BRE	Basic Regular Expression
BREW	Binary Runtime Environment for Wireless {Qualcomm}
BRGC	Binary Reflected Gray Code
BRI	Basic Rate Interface
BRIM	Bridge Router Interface Module
BRL	
BRS	Big Red Switch {IBM}
BRU	
BRV	Business Requirements View
BS	BackSpace
BSA	Business Software Alliance
BSAM	Binary Sequential Access Method
BSC	Backup Site Controller {Microsoft}
BSC	Binary Synchronous Communication
BSCS	Bachellor of Science, Computer Science
BSCW	Basic Support for Cooperative Work
BSD	Berkeley Software Distribution
BSE	Bedeviled Sound Engine
BSF	Bean Scripting Framework
BSF	Bit Scan Forward
BSG	Big Smiling Grin {chat}
BSG	Broad Sweeping Generalization {chat}
BSG	Broadband Stakeholders Group
BSG	Business Systems Group {AutoDesk}
BSI	BlackSnow Interactive
BSI	British Standards Institute
BSMTP	Batched Simple Mail Transfer Protocol
BSNPA	Better Subnetwork Protocol Address
BSNPAL	Better Subnetwork Protocol Address Length
BSOD	Black Screen Of Death
BSOD	Blue Screen Of Death {Microsoft}
BSP	Binary Space Partition
BSP	Board Support Package
BSP	Bulk-Synchronous Parallel
BSPHP	BrainSplatPHP
BSS	Block Started by Symbol
BSR	Basic Semantic Repository
BSR	Bit Scan Reverse
BST	Binary Search Tree
BSU	Basic Semantic Unit
BSV	Business Service View
BSYNC	Binary SYNchronous Communications
BTA	Beijing Telecommunication Administration
BTA	But Then Again {chat}
BTAIM	Be That As It May {chat}
BTAM	Basic Telecommunications Access Method
BTC	Behavior Tech Computer
BTDT	Been There, Done That {chat}
BTDTGTTS	Been There, Done That, Got The T-Shirt {chat}
BTHOM	Beats The Hell Out of Me {chat}
BTL	Bioinformatics Template Library
BTOL	Better Than Open Look
BTP	Batch Transfer Program
BTP	Blood Transfer Protocol {RedBat Linux}
BTP	Business Transaction Protocol
BTR	Block Table Record {AutoCAD}
BTSOOM	Beats The S*** Out Of Me {chat}
BTV	Business Transaction View
BTW	By The Way {chat}
BTWBO	Be There With Bells On {chat}
BTX	Balance Technology eXtended
BU	Bulk Update
BUAF	Big, Ugly Ascii Font {alt.fan.warlord}
BUAG	Big, Ugly Ascii Graphic {alt.fan.warlord}
BuFRS	BUsiness Forms Retrieval System
BUS	Broadcast/Unknown Server {IBM}
BVCP	Banyan Vines Control Protocol
BWM	Block Write Mode
bwmon	BandWidth MONitor
BWQ	Buzz Word Quotient {chat}
BX	Builder Xcessory {ICS}
BX PRO	Builder Xcessory PROfessional {ICS}
BXE	BitfluX Editor
BXXP	Blocks eXtensible eXchange Protocol
C/S	Client/Server
C-ISAM	C Indexed Sequential Access Method
C2B2C	Consumer TO Business TO Consumer
C2C	Consumer TO Consumer
C4I	Command, Control, Communications, Computers and Intelligence
C4I2	Command, Control, Communications, Computers, Intelligence and Information
CA	Certificate Authority
CA	Collision Avoidance (networking)
CA	Computer Associates
CAALS	Computer Aided Acquisition and Logistics System
CabFE	game emulator CABinet Front End
CACM	Communications of the Association for Computing Machinery {ACM}
CAD	Card Acceptance Device
CAD	Collective Address Designator
CAD	Computer Aided Design
CAD	Computer Assisted Drafting
CAD	Ctrl-Alt-Del
CAD/A	Computer Aided Design/Analysis
CADD	Computer Aided Design and Drafting
CADE	Computer Aided Document Engineering
CAE	Computer Aided Engineering
CAF	Constant Applicative Form
CAGD	Computer Aided Geometric Design
CAGD	Computer Aided Graphics Design
CAI	Computer Assisted Instruction
CAIDA	Cooperative Association for Internet Data Analysis
CAIP	Canadian Association of Internet Providers
CAL	Client Access License {Microsoft}
CAL	Computer Assisted Learning
CALL	Computer Aided Language Learning
CALS	Computer Aided Logistics Support
CALS	Continuous Acquisition and Lifecycle Support
CAM	Categorical Abstract Machine
CAM	Cellular Automata Machine
CAM	Computer Aided Manufacturing
CAM	Content Addressable Memory
CAMAC	
CAMD	Computer Aided Molecular Design
CAMFR	CAvity Modeling FRamework
CAMIL	Computer Assisted/Managed Instructional Language
CAML	Categorical Abstract Machine Language
CAMP	Computer Architectures for Machine Perception
CAN	Convertisseur Analogique-Numerique
CAN	Controller Area Network
Can Spam	Controlling the Assault of Non-Solicited Pornography And Marketing act {US Congress}
CANARIE	Canadian Network for the Advancement of Research, Industries, and
 Education
CAOPS-WG    Certificate Authority OPerationS Working Group {GGF}
CAP	Columbia Appletalk Package
CAP	Compaq Accredited Professional {Compaq}
CAP	Computer Aided Publishing
CAP	Content Acquisition Program {Yahoo}
CAPD	Computing To Assist Persons with Disabilities
CAPI	Crypto Application Programming Interface {Microsoft}
CAPPS	Computer Assisted Passenger Prescreening System {US TSA}
CAPTCHA	Completely Automated Public Turing tests to tell Computers and Humans Apart {CMU}
CAR	Certificate Authority Roots
CARDIAC	CARDboard Illustrative Aid to Computation {Bell Labs}
CARO	Computer Antivirus Research Organisation
CARP	Copyright Arbitration Royalty Panel
CART	Computer Analysis Response Team
CAS	Code Access Security
CAS	Communication Application System
CAS	Computer Aided Styling
CAS	Computer Algebra System
CASCADE
CASE	Common Application Service Element
CASE	Computer Aided Software Engineering
CASE	Computer Aided Systems Engineering
CaSIE	Create-A-Sim Independent Editor {EAGames}
CASL	Crosstalk Application Scripting Language
CASM	Cardiac ASseMbler {Bell Labs}
CASMSIM	Classic ASseMbler and SIMulator (HP calculators)
CAST	Center for Applied Special Technology
CAT	Common Authentication Technology
CAT	Computer Adaptive Testing
CAT	Computer Aided Testing
CAT	Computer Aided Translation
CAT	Computer Axial Tomography
CATAI	Concurrent Algorithms and data Types Animation over the Internet
CATI	Computer Aided Telephone Interview
CATS	Commodore Amiga Technical Support
CATS	Computer Assisted Training System
CAU	Controlled Access Unit
CAUCE	Coalition Against Unsolicited Commercial Email
CAUSE	
CAVE	Cave Automatic Virtual Environment
CAVE	Character Animation Viewer for Everyone
CBC	Cipher Block Chaining
CBCP	Coffee Brewer Control Protocol
CBCP	Common Business Communications Protocol
CBD	Component-Based Development
CBDS	Connectionless Broadband Data Service
CBDTPA	Consumer Broadband and Digital Television Promotion Act {US Congress}
CBEMA	Computer and Business Equipment Manufacturers Association
cbench	Compiler BENCHmark utility
CBI	Computer Based Instruction
CBL	Computer Based Learning
CBM	Commodore Business Machines
CBMS	Computer Based Mail System
CBMS	Computer Based Medical Systems
CBN	Check/Backup/Notification
CBO	Cost-Based Optimizer
CBOS	Cisco Broadband Operating System
CBR	Computer Based Reasoning
CBR	Constant Bit Rate
cbs	
CBT	Computer-Based Training
CC	Call Control
CC	Carbon Copy
CC	Cluster Controller
CC	Computational Complexity {CoRR}
CC	Computer Center
CC/PP	Composite Capability/Preference Profiles
CC TPDU	Connection Confirm TPDU {ISO}
CCA	Computer Corporation of America
CCA	Cooperative Content Acceleration
CCA	Computer Crimes Act {Virginia law}
CCC	Calibration, Characterization and Conversion (color management)
CCC	Chaos Communication Congress
CCC	Chaos Computer Club
CCC	Conference on Computational Complexity {IEEE}
CCCCP	Committe on Computer-Computer Communication Protocols {US DOD}
CCD	Charge-Coupled Device
CCD	Computer Crimes Division (law enforcement)
CCE	Continuous Comprehensive Evaluation
CCEB	Combined Communications Electronics Board
CCF	Common Connector Framework
CCFL
CCI	Common Client Interface
CCIA	Computer and Communications Industry Association
CCIPS	Computer Crime and Intellectual Property Section {US DOJ}
CCIRN	Coordinating Committee for Intercontinental Research Networks
CCITSE	Common Criteria for Information Technology Security Evaluation
CCITT	Comité Consultatif International Téléphonique et Télégraphique
CCL	Common Command Language
CCL	Console Command Language
CCM	Content and Collaboration Management
CCMC	Cryptologic Communications Management Center
CCMS	Collaborative Content Management System
CCN	Campus Computing Network {UCLA}
CCNA	Cisco Certified Network Associate {Cisco}
CCNP	Cisco Certified Network Professional {Cisco}
ccNSO	Country Code Names Supporting Organization {ICANN}
CCP	Chaos Content Provider {OpenOffice UCB}
CCP	Compression Control Protocol
CCPP	Committee on Computers and Public Policy {ACM}
CCR	Commitment, Concurrency, and Recovery
CCR	Community Contributor Representative {OOo}
CCR	Computer Communication Review {SIGCOMM}
CCR	Continuing Certification Requirements {Compaq}
CCS	Common Channel Signalling
CCSS	Cryptologic Combat Support System
CCT	Computer Chess Tournament
ccTLD	Country Code Top Level Domain
CCU	Component Conversion Utility
CCUMC	Consortium of College and University Media Centers
CCW	Com Callable Wrapper
CD	Carrier Detect
CD	Collision Detection (networking)
CD	Color Display
CD	Committee Draft {ISO}
CD	Compact Disc
CD+G	Compact Disc + Graphics
CD-DA	Compact Disc Digital Audio
CD-I	Compact Disc Interactive
CD-MO	Compact Disc Magneto Optical
CD-R	Compact Disc Recordable
CD-RDX	Compact Disc Rom Data eXchange
CD-ROM	Compact Disc Read Only Memory
CD-RTOS	Compact Disc Real Time Operating System
CD-SD	Compact Disc Super Density
CD-V	Compact Disc Video
CD-WO	Compact Disc Write Once
CD-XA	Compact Disc eXtended Architecture
CDA	Central Design Activity
CDA	Communications Decency Act
cda	Compact Disc Audio
CDA	Compound Document Architecture
CDA	Cost Driver Attribute
CDB	Command Descriptor Block
CDBS	Connectionless Broadband Data Service
CDC	Caisse des Depôts et Consignations
CDC	Central Directory Component
CDC	Connected Device Configuration
CDC	Control Data Corporation
cDc	Cult of the Dead Cow
CDDA	Compact Disc Digital Audio
CDDA	Compact Disc Direct Access
CDDB	Compact Disc DataBase
CDDI	Copper Distributed Data Interface
CDE	C Development Environment
CDE	Common Desktop Environment
CDE	Cooperative Development Environment
CDF	Channel Definition Format {Microsoft}
CDF	Comma Delimited Format
CDF	Common Data Form
CDFS	Compact Disc File System
cdfw	CD-rom FireWall
CDICL	Compact Disc Input and Control Library
CDIF	Case Data Interchange Format
CDK	Chemical Development Kit (Java classes)
CDK	Curses Development Kit
CDK	Cyberspace Development Kit
CDL	Clariion Disk Library {EMC}
CDL	Computer Design Language
CDLC	Channel Data Link Control
CDM	Code Division Multiplexing
CDMA	Code Division Multiple Access
CDN	Caldera Desktop for Network {Caldera}
CDN	Content Delivery Network
CDO	Collaboration Data Objects {Microsoft}
CDO	Collaborative Data Objects {Microsoft}
CDOEXM	Collaborative Data Objects for EXchange 2000 systems Management {Microsoft}
CDONTS	Collaborative Data Objects for NT Systems {Microsoft}
CDOS	Concurrent Disk Operating System
CDOWF	Collaborative Data Objects for WorkFlow {Microsoft}
CDP	Cisco Discovery Protocol
CDP	Conditional Di-Phase
CDPD	Cellular Digital Packet Data
CDPR	Customer Dial Pulse Receiver
CDR	Campaign for Digital Rights
CDR	Common Data Representation
CDR	Compact Disc Recordable
CDRAM	Cache Dynamic Random Access Memory
CDROM	Compact Disc Read Only Memory
CDRL	Contract Data Requirements List
CdrLin	CDRecord for LINux
CDRW	Compact Disc ReWritable
CDS	Collaborative Development System
CDT	Call Data Transmitter
CDT	Center for Democracy and Technology
CDU	Control Display Unit
CDV	Compressed Digital Video
CDVT	Cell Delay Variation Tolerance
CDW	Copy Database Wizard {Microsoft}
CE	Cache Enable
CE	Collaborative Engineering
CE	Compact Edition {Microsoft}
CE	Competitive Engineering
CE	Computational Engineering {CoRR}
CE	Concurrent Engineering
CE	Consumer Electronics {Microsoft}
CE	Cooperative Engineering
CEA	Consumer Electronics Association
CEBAF	Continuous Electron Beam Accelerator Facility
CEDAR	Center for Excellence in Document Analysis and Recognition (OCR software)
CEC	Chilling Effects Clearinghouse {EFF}
CEG	Continuous Edge Graphics
CEI	Conducted Electromagnetic Interference
CELF	Consumer Electronics Linux Forum
CELP	Code Excited Linear Prediction
CEMA	Computer Education Management Association
CEMAC	Circuit EMulation Access Card
CEPT	Conférence Européenne des Postes et des Télécommunications
CERFNet	California Education and Research Federation NETwork
CERIAS	Center for Education and Research in Information Assurance and Security
CERN	Corporation for Research and Educational Networking
CERT	Computer Emergency Response Team
CERT/CC	Computer Emergency Response Team Coordination Center
CES	Consumer Electronics Show
CESSL	CEll Space Simulation Language
CEW	Computer Elements Workshop
CF	Compact Flash (memory)
CF	Configuration File
CFAA	Computer Fraud and Abuse Act
CFB	Cipher FeedBack
CFD	Call For Discussion {usenet}
cfe	Console Font Editor
CFI	Cad Framework Initiative
CFI	Common Flash Interface
CFI	Custom Factory Integration {Dell}
cfm	ColdFusion Markup
CFML	ColdFusion Markup Language
CFP	Call For Papers (conferences)
CFP	Computers, Freedom and Privacy conference {ACM}
CFS	Crypto File Systems
cft	Configurable File Tool
CFV	Call For Votes {usenet}
Cg	C for Graphics {NVidia}
CG	Computational Geometry {CoRR}
CGA	Color Graphics Adapter
CGA	Computer Graphics Array
CGE	Carrier Grade Edition {MontaVista Linux}
CGI	Common Gateway Interface
CGI	Computer Generated Image
CGI	Computer Graphics Interface
CGL	Carrier-Grade Linux
CGM	Computer Graphics Metafile
CGP	Character Generator Protocol
CHAP	Challenge-Handshake Authentication Protocol {NWG}
CHASE	CHallenges and Achievements in Software Engineering {ICSE}
CHAT	Conversational Hypertext Access Technology
chcp	CHange Code Page
chfn	CHange FiNger
chgrp	CHange GRouP
CHILL	Ccitt HIgh Level Language
CHIN	Community Hospital Information Network
CHMIS	Community Health Management Information Systems
chmod	CHange MODe
CHOP	CHannel OPerator
CHR	Constraint Handling Rule
CHRP	Common Hardware Reference Platform {IBM}
CHS	Cylinder Head Sector
CHSM	Concurrent Hierarchical State Machine
CHTML	Compact HyperText Markup Language
CI	Check In (code repository systems)
CI	Cluster Infrastructure for linux
CIA	China Internet Association
CIA	Current Instruction Address
CIAC	Computer Incident Advisory Capability
CICA	Center for Innovative Computer Applications
CICC	Center of International Cooperation for Computerization
CICS	Customer Information Control System {IBM}
CICS/VS	Customer Information Control System Virtual Storage {IBM}
CICT	Centre Informatique de Calcul de Toulouse
CID	Configuration, Installation and Distribution
cid	Content IDentifier {NWG}
CIDR	Classless Inter-Domain Routing
CIDS	Computer Intrusion Detection System
CIDX	Chemical Industry Data eXchange
CIE	Commission Internationale d'Eclairage (color printer standards)
CIF	Codepage Independent Format
CIF	Common Intermediate Format
CIFS	Common Internet File System {Microsoft}
CIFS VFS	Common Internet File System Virtual File System
CIH
CII	Call Identity Index
CIK	Crypto-Ignition Key
CIL	Common Intermediate Language
CIL	Computer Integrated Logistic
CIM	Common Information Model
CIM	Compuserve Information Manager {CompuServe}
CIM	Computer Integrated Manufacturing
CIM	Corporate Information Management
CIMD	Computer Interface for Messaging Distribution
CIMOM	CIM Object Manager
Cimon	CIsco MONitor
CIO	Chief Information Officer
CIOCS	Communication Input/Output Control System
CIP	Certified Internet Professional
CIP	Channel Interface Processor
CIP	Command Interface Port
CIP	Commerce Interchange Pipeline {Microsoft}
CIP	Common Indexing Protocol {IETF}
CIPA	Children's Internet Protection Act {US Congress}
CIPE	Crypto IP Encapsulation
CIPM	Commerce Interchange Pipeline Manager {Microsoft}
CIPSO
CIPX	Compressing Internetwork Packet eXchange
CIR	Committed Information Rate
CIRA	Canadian Internet Registration Authority
CIS	Center for Internet and Society
CIS	Center for Internet Security
CIS	Common Infrastructure Services {UPS}
CIS	Compuserve Information Service
CIS	Computer Information System
CIS	Computing Infrastructure Support
CIS	Contact Image Sensor
CISC	Complex Instruction Set Computer
CISS	Center for Information Systems Security
CISSP	
CIT	California Institute of Technology
CIT	Computer-Integrated Telephony
CITI	Center for Information Technology Integration {Univ of Michigan}
CITRI	Committee for Information Technology Reconstruction in Iraq
CITS	Combat Information Transport System
CIU	Cryptologic Interface Unit
CIW	Center for Information Work {Microsoft}
CIX	Commercial Internet eXchange
CJK	Chinese, Japanese, Korean characters
CJLI	Command Job Language Interpreter
CKD	Count Key Data
CKL	Certificate Key List
CKS	Cryptonet Key Server
CL	Computation and Language {CoRR}
CL	CoreLinux
CLAM	Caldera Loadable Administration Module {Caldera}
CLAN	Comprehensive Linux Archive Network
CLAR	Channel Local Address Register
CLASS	Consular Lockout And Support System {US Dept of State}
CLASS	Cooperative Library Agency for Systems and Services
CLAW	Common Link Access for Workstations
CLB	Component Load Balancing
CLC	Cell Line Card
CLDAP	Connectionless Lightweight Directory Access Protocol
CLDC	Connected Limited Device Configuration
CLE	Certified Linux Engineer {Novell}
CLE	Chinese Linux Extension
CLEC	Competitive Local Exchange Center
CLEE	Center for Lifelong Engineering Education {UT}
CLEI	Common Language Equipment Identification
CLEX	
CLF	Common Log Format
clfw	{CoreLinux}
CLH	Content Length Header
CLI	Call Level Interface
CLI	Calling Line Identification
CLI	Command Line Interface
CLI	Common Language Infrastructure {Microsoft}
CLI	Cross Language Interoperability
CLIG	Command Line Interpreter Generator
CLIPS	C Language Integrated Production System
CLisp	Common Lisp
CLLI	Common Language Location Identification
CLM	Career Limiting Move
CLNP	ConnectionLess Network Protocol
CLNS	ConnectionLess Network Service
CLO	Command Line Options
CLOB	Character Large OBject {databases}
CLOBS	
CLOS	Common Lisp Object System
CLP	Cell Loss Priority
CLP	Constraint Logic Programming
CLP(PB)	Pseudo-Boolean Constraint Logic Programming
CLR	Common Language Runtime {Microsoft}
cls	CLear Screen
CLS	Common Language Specification
CLSID	CLasS IDentifier {COM}
CLTP	ConnectionLess Transport Protocol
CLU	Command Line Utility
CluClo	CLUster CLOner
CLUE	Command Line User Environment
CLUGS	CLosed User Group library Systems
CLUI	Command Line User Interface
CLV	Constant Linear Velocity (storage)
CLX
clxmms	CLient of X MultiMedia System
CM	Configuration Management
CM	Control Mark
CM	Corrective Maintenance
cmail	Count MAIL
CMAN	Connection MANager
CMB	Cmb Message Board
CMC	Common Mail Call
CMC	Computer-Mediated Communication
CME	Common Message Environment {UPS}
CMF	Content Management Framework
CMF	Creative Music Format
CMHC	Computer Museum History Center
CMI	Coded Mark Inversion
CMI	Common Message Interface {IBM}
CMIIW	Correct Me If I'm Wrong {chat}
CMIP	Common Management Information Protocol {ISO}
CMIS	Common Management Information Services
CMIS	Common Management Information System
CMISE	Common Management Information Service Element
CML	Chemical Markup Language
CML	Cognitive Modeling Language
CML	Computer Mechanics Laboratory
CML	Conceptual Modeling Language
CML	Concurrent ML
CML	Configuration Menu Language
CMM	Capability Maturity Model
CMM	Capacity Maturity Model
CMMI	Capability Maturity Model Integration
CMMS	Computerized Maintenance Management Software
CMMU	Cache/Memory Management Unit
CMNS	Connection Mode Network Service
CMOS	Complementary Metal Oxide Semiconductor
CMOT	Common Management information services and protocol Over Tcp/ip
CMP	Container Managed Persistence
CMR	Container Managed Relationships
CMS	Code Management System
CMS	Content Management Server {Microsoft}
CMS	Content Management System
CMT	Connection ManagemenT
CMT	Container Managed Transactions {EJB}
CMU	Carnegie-Mellon University
CMW	Compartmented Mode Workstation
CMY	Cyan, Magenta, Yellow
CMYK	Cyan, Magenta, Yellow, blacK
CMYK	Cyan-Magenta-Yellow-Key
CN	Common Name
CNA	Certified Netware Administrator {Novell}
CNAPS	Coprocessing Node Architecture for Parallel Systems
CNC	Computer Numerical Controlled
CND	Caldera Network Desktop {Caldera}
CNE	Certified Netware Engineer {Novell}
CNFET	Carbon Nanotube Field-Effect Transistor
CNI	Coalition for Networked Information
CNI	Compiled Native Interface
CNIDR	Clearinghouse for Network Information, Discovery and Retrieval
CNIL	Commission Nationale de l'Informatique et des Libertes
CNL	C Numerical Library {Visual Numerics}
CNMAT	Center for New Music and Audio Technologies
CNP	Card Not Present
CNPS	Computer Noise Prevention System
CNRI	Corporation for National Research Initiatives
CNRS	Centre National de la Recherche Scientifique
CNSS	Core Nodal Switching Subsystem
CNX	Certified Network eXpert
CO	Check Out (code repositories)
COAL	Caldera Open Access License {Caldera}
COAS	Caldera Open Administration System {Caldera}
COB	Chip-On-Board
COB	Cruising On Broadway (game)
COBOL	COmmon Business-Oriented Language
CoC	Call Of Cthulu (gaming)
COCOMO	COnstructive COst MOdel
CODASYL	Conference On DAta SYstem Languages
CODE	Client-server Open Development Environment
Codec	COder/DECoder
COE	Common Operating Environment
COEM	Commercial Original Equipment Manufacturer
COFF	Common Object File Format
COG	COnfigurator for Gnome
COG	Cycon Online Gaming
COIN	Common Optimization INterface
COIN-OR	COmputational INfractructure for Operations Research
COL	Computer-Oriented Language
COLA	Certificate Of License Authority
cola	Comp.Os.Linux.Advocacy {Usenet}
cola	Comp.Os.Linux.Announce {Usenet}
COLD	Computer Output to Laser Disk
COM	Common Object Model
COM	Component Object Model {Microsoft}
COM	Component Oriented Middleware
COM	Computer Output to Microfilm
COMDEX	COMputer Dealers EXhibition
CompTIA	COMPuter Technology Industry Association
COMTI	Component Object Model Transaction Integrator {Microsoft}
COMU	
CONNIX	CONNecticut Internet eXchange
CONP	Connection-Oriented Network Protocol
CONS	Connection-Oriented Network Service
COO	Cell Of Origin
COOP	C++ Object Oriented Programming
COOTS	Conference on Object-Oriented Technologies and Systems
COP	Character-Oriented Protocol
COP	Cpu Overheating Protection
COPA	Child's Online Protection Act {US Congress}
COPIES	Child Online Pornographic Image Eradication System
COPS	Computer Oracle Password System
CORBA	Common Object Request Broker Architecture {OMG}
CORE	Centrally Operated Risc Environment
CoRR	COmputing Research Repository
COS	Card Operating System
COS	Class Of Service
COS	Common Object Service {CORBA}
COS	Compatible Operating System
COS	Corporation for Open Systems
COSE	Combined Office Standard Equipment
COSE	Common Open Software Environment
COSI	Clarkson Open Source Institute
COSINE	Cooperation for Open Systems Interconnection Networking in Europe
COSMIC	COmputer Software Management and Information Center
COT	Centre for Object Technology
COTFLGOHAHA	Crawling On The Floor Laughing Guts Out, Having A Heart Attack
COTS	Commercial Off-The-Shelf
COTSS	Classified Operational Telecommunications Switching System
COW	Cache Objects for the Web
COW	Copy-On-Write
COW	Cow Outputs Waves (sound processing)
CP	Control Point
CP	Copy Protect
CP	Crypto Peripheral
CP/M	Control Program for Microcomputers
CP/M	Control Program/Monitor
CPA	Collaboration Protocol Agreements
CPA	Computer Press Association
CPAN	Comprehensive Perl Archive Network
CPC	Collaborative Product Commerce
CPC	Constant Point Calculation
CPCI	Computer Program Configuration Items
CPCS	Check Processing Control System
CPCS	Common Part Convergence Sublayer
CPDP	Computer Program Development Plan
CPE	Customer Premises Equipment
CPFDA	Citizens' Protection in Federal Databases Act {US Congress}
CPG	Clock Pulse Generator
CPG	Comu Privacy Guard
CPI	Characters Per Inch
CPI	Code Page Information
CPI-C	Common Programming Interface for Communications
CPIP	Carrier Pigeon Internet Protocol {RFC 1149}
CPL	Common Public License
CPL	Combined Programming Language
CPL	Current Privilege Level
CPML	Call Policy Markup Language
CPP	C Plus Plus
CPP	Collaboration Protocol Profiles
CPR	Computer-based Patient Record
CPRI	Computer-based Patient Records Institute
CPRM	Content Protection for Recordable Media
CPS	Call Processing System
CPS	Certification Practices Statement
CPS	Characters Per Second
CPS	Collaborative Portal Server {Nuxeo}
CPSR	Computer Professionals for Social Responsibility
CPT	Command Pass Through
CPTWG	Copyright Protection Technology Working Group
CPU	Cap Processor Usage
CPU	Central Processing Unit
CPU	Change Password Utility
CPXe	Common Picture eXchange Environment
CQS	Content Query System
CR	Carriage Return
CR	Code-Red (internet worm)
CR II	Code-Red version 2 (internet worm)
CR III	Code-Red version 3 (internet worm)
CR TPDU	Connection Request TPDU {ISO}
CRAM	Card Random Access Memory
CRAM	Content Rotation And Management
CRAMFS	
CRAN	Comprehensive R Archive Network
CRC	Career Resource Center {ACM}
CRC	Class, Responsibility, Collaboration
CRC	Cyclic Redundancy Check
CRD	Content Review Document
CREN	Computer Research Education Network
CREN	Corporation for Research and Educational Networking
CRF	Content Reference Forum
CRF	Cross Reference File
CRI	Collective Routing Indicators
CRI4J	Common Rfc Interface FOR Java
CRISP-DM    CRoss-Industry Standard Process for Data Mining
CRL	Certificate Revocation List {Verisign}
CRLF	Carriage Return, Line Feed
CRM	Communication Resource Manager
CRM	Controllable Regex Mutilator
CRM	Customer Relationship Management
CROM	Control Read Only Memory
CRPG	Character Role Playing Game
CRS	Change Request System
CRS	Content Replication Service
CRT	Cathode Ray Tube
CRT	C RunTime {Microsoft}
CRTC	Cathode Ray Tube Controller
CRTI	Cyberlink Rural Telecommunications, Inc
CRU	Customer Replaceable Unit
CRUD	Create Read Update Delete
CRv2	Code-Red Version 2 (internet worm)
CS	CheckSum
CS	Clear to Send
CS	Code Segment (assembly language)
CS	CompuServe
CS	Computer Science
CS	Convergence Sublayer
CSA	Canadian Standards Association
CSA	Certified Solaris Administrator {Sun}
CSA	Chief Software Architect {Microsoft}
CSA	Common System Area
CSAM	
CSAR	Channel System Address Register
CSC	Computer Services Corporation
CSCI	Computer Software Configuration Item
CSCL	Computer-Supported Collaborative Learning
CSCR	Consortium for Slow Commotion Research
CSCW	Computer-Supported Cooperative Work
CSD	Circuit Switched Data
CSD	Corrective Service Diskette
CSDP	Certified Software Development Professional {IEEE}
CSDP	Conceptual Schema Design Procedure
CSE	Certified System Engineer
CSE	Component Services Explorer
CSEA	Cyber Security Enhancement Act {US Congress}
CSFW	Computer Security Foundations Workshop
CSG	Consultable Services Group
CSH	C SHell
CSH	Color Super Homeotropic
CSI	Common Secure Interoperability {OMG}
CSIA	Cyber Security Industry Alliance
CSIDC	Computer Society Internation Design Competition {IEEE}
CSIRO	Commonwealth Scientific and Industrial Research Organization (Australia)
CSL	Computer Sensitive Language
CSLH	Crafty Syntax Live Help
CSLIP	Compressed Serial Line Internet Protocol
CSLU	Center for Spoken Language Understanding
CSM	Cluster Systems Management
CSM	Communication Services Manager
CSMA/CD	Carrier Sense Multiple Access with Collision Detection
CSN	Card Select Number
CSN	Circuit Switched Network
CSN	Consortium for School Networking
CSNET	Computer+Science NETwork
CSNP	Complete Sequence Number Packet data unit
CSNW	Client Service for NetWare {Microsoft}
CSO	Central Services Organization
CSP	C Server Pages
CSP	Certified Systems Professional
CSP	Commercial Service Provider
CSP	Communications Support Processor
CSP	Compucom Speed Protocol
CSP	Cryptographic Service Provider
CSPDN	Circuit Switched Public Data Network
CSPP	Computer Systems Policy Project
CSR	Certificate Signing Request
CSRC	Computer Security Resource Center
CSRDA	Cyber Security Research and Development Act {US Congress}
CSRF	Common Source Routing File
CSRFS	Common Source Routing File System
CSRI	Coordinated Spam Reduction Initiative {Microsoft}
CSS	Cascading Style Sheets {Microsoft}
CSS	Closed Source Software
CSS	Content Scrambling System {MPAA}
CSS	Continuous System Simulator
CSS	Core System Software
CSS	Crm Sparse Spectra
CSS	Cross-Site Scripting
CSSA	Caldera Systems Security Advisory {Caldera}
CSTA	Computer-Supported Telecommunications Applications
CSTA	Computer-Supported Telephony Applications
CSU	Channel Service Unit
CSV	Comma Separated Values {Microsoft}
CSV	Common Services Verbs
CT	Communications Terminal
CT	Configuration Timer
CTAN	Comprehensive Tex Archive Network
CTBD	Component Technology Business Division
CTC	Cut The Cookie (web browser cleaner)
CTCP	Client-To-Client Protocol
CTE	Compliance Test and Evaluation
CTEA	Copyright Term Extension Act
CTG	Cics Transaction Gateway
CTG	Computer Task Group (consultants)
CTG	Core Technology Group
CTI	Computer Telephone Integration
CTI	Couplage Telephonie Informatique
CTIA	Cellular Telecommunications and Internet Association
CTIA	Computing Technology Industry Association
CTL	Complex Text Layout
CTmaiL	
CTO	Chief Technology Officer
CTP	Conformance Testing Program
CTPA	Coax-to-Twisted Pair Adapter
CTRC	Cooling Technologies Research Consortium
CTS	Carpal Tunnel Syndrome
CTS	Center for Technology Studies {PRI}
CTS	Clear To Send
CTS	Common Transport Semantic
CTS	Common Type System {Microsoft}
CTS	Compatibility Test Suite {J2EE}
CTSS	Compatible Time-Sharing System {MIT}
CTTS	Cost and Time Tracking System
CUA	Common User Access
CUA	Commonly Used Acronyms
CUDIX	Common User Digital Information eXchange
CUE	Collaborative User Experience {IBM}
CUE	Common User Environment
CUED	Cambridge University Engineering Department
CUI	Common User Interface
CUJ	C Users Journal
CUN	Critical Update Notification {Microsoft}
CUPID	Completely Universal Processor I/o Design
CUPS	Common Unix Printing System
CURL	Client URL library
CUSA	Certified Unix System Administrator {Caldera}
CUSI	Configurable Unified Search Index
CUSP	Commonly Used System Program
CUT	Control Unit Terminal
CUTE	Clarkston University Terminal Emulator
CUTE	Common Unix and x Terminal Environment
CUTE	Cute User-friendly Text Editor
CV	Computer Vision {CoRR}
CVE	Common Vulnerabilities and Exposures {cve.mitre.org}
CVF	Compressed Volume File
CVGA	Color Video Graphics Array
CVIA	Computer Virus Industry Association
CVM	C language Virtual Machine
CVN	Compression Video Numerique
CVP	Circuits Virtuels Permanents
CVPR	Computer Vision and Pattern Recognition
CVS	Computer Vision Syndrome
CVS	Concurrent Version System
cvsfs	Concurrent Version System File System
CVSIM	Customizable Versatile System Interactive Monitor
CVSps	Concurrent Version System PatchSet
CVSQ	Concurrent Version System Queued
CVW	CodeView for Windows
CWIS	Campus Wide Information System
CWM	Common Warehouse Metamodel
CWP	Certified Web Professional {IWA}
CWYL	Chat With You Later {chat}
CxC	C for Parallel Computing
CXD	Coherity Xml Database
cXML	Commerce XML
CybOrg	CYBercafe ORGanizer
CYE	Count Your Euros (cash flow analysis software)
CYMK	Cyan, Yellow, Magenta, blacK
D/A	Digital to Analog
D/CAS	Data CASsette
D-AMPS	Digital Advanced Mobile Phone Service
D-H	Diffie-Hellman (cryptography)
D-ISAM
D2D	Developer TO Developer
D2W	Direct TO Web
DA	Design Analysis
DA	Destination Address
DAA	Digest Access Authentication
DAAS	Defense Automatic Addressing System
DAASC	Defense Automatic Addressing System Center
DAB	Digital Audio Broadcasting
DAC	Data Access Component
DAC	Digital-to-Analog Converter
DAC	Discretionary Access Control
DAC	Dual-Attached Concentrator
DACL	Discretionary Access Control List
DACS	Digital Access and Cross-connect System
DACT	Dynamic Adaptive Compression Tool
DAD	Desktop Application Director
DAD	Document Access Definition {DB2}
DAFS	Direct Access File System
DAG	Design Automation Group
DAG	Directed Acyclic Graph (data structures)
DAI	Distributed Artificial Intelligence
DAISY	Dynamically Architected Instruction Set from Yorktown
DAKOSY	DAta KOmmunications SYstem
DAKS	Data And Knowledge System
DAL	Data Access Language
DAL	Data Application Layer
DAL	Database Abstraction Layer
DAL	Destination Address Length
DALP	Database Access Libraries for Pdas
DAM	Data Acquisition and Monitoring
DAM	Digital Asset Management
DAMES	Daasc Automated Message Entry System
DAML	Darpa Agent Markup Language
DAN	Desktop Advertising Network
DANTE	Delivery of Advanced Network Technology to Europe
DANUP	Dispositif d'Acces Numeris a Usage Partage
DAO	Data Access Object
DAO	Disk-At-Once (CDR write mode)
DAoC	Dark Age Of Camelot (game title) {Mythic Software}
DAP	Data Access Processor
DAP	Data Access Protocol
DAP	Directory Access Protocol
DAP	Document Application Profile
dar	Disk ARchive
DARI	Database Application Remote Interface
DARPA	Defense Advanced Research Projects Agency {US DOD}
DART	Data, Applications, Reports and Transactions
DAS	Dual-Attached Station
DAS	Dynamic content Administration System
DASCo	Distributed Applications with Separation of COncerns
DASD	Direct Access Storage Device
DASS	Distributed Authentication Security Service {DEC}
DAT	Destination Address Type
DAT	Detailed Architecture Team
DAT	Digital Audio Tape
DAT	Disk Array Technology
DATAR	Digital Automated Tracking And Resolving
DATAS	Delta Automated Travel Account System
DAU	Dümmster Anzunehmender User
DAV	Data Above Voice
Dav	Dav Ain't Vi
DAV	Digital Audio-Video
DAV	Distributed Authoring and Versioning {IETF}
DAVIC	Digital Audio VIsual Council
DAVID	Digital Audio VIdeo Decoder
DAW	Digital Audio Workstation
DAWG	Deterministic Acyclic Word Graph
DAXFi	
DB	DataBase
DB	Data Bus
DB	DocBook
DB2	DataBase 2
db4o	DataBase FOR Objects
DBA	DataBase Administrator
DBAC	DataBase Administration Center
dbacl	Digramic BAyesian text CLassifier
DBAS	DataBase Administration System
DBCA	DataBase Configuration Assistant
DBCC	DataBase Consistency Checker {Microsoft}
DBCS	Double-Byte Character Set {ANSI}
DBD	DataBase Driver
DBF	DataBase File
DBCS	Double Byte Character Support
DBF	DBase Format
DBH	Disk Based Hashtables
DBI	DataBase Interface
DBI/DBD	
DBL	Define Bits Lossless files
DBLP	
DBM	DataBase Manager
DBME	DataBase Management Environment
DBMGUI	DataBase Manager Graphical User Interface
DBMJUI	DataBase Manager Java User Interface
DBMS	DataBase Management System
DBRI	Dual Basic Rate Interface
DBS	DataBase Server
DBT	Defect-Based Testing
DC	Data Collection
DC	Direct Current
DC	Display Controller
DC	Distributed Computing {CoRR}
DC	Domain Controller {Microsoft}
DC	Dublin Core
DC TPDU	Disconnect Confirm TPDU {ISO}
DC-GUI	Direct Connect Graphical User Interface
DCA	Defense Communications Agency {US DOD}
DCA	Defense Communications Associates
DCA	Document Content Architecture
DCAC	Defense Communications Agency Circular
DCAF	Distributed Console Access Facility
DCAM	Direct Chip Attach Module
DCB	Decimal Code Binaire
DCB	Disk Coprocessor Board
DCC	Data Country Code
DCC	Digital Command Control (model railroad control)
DCC	Digital Compact Cassette
DCC	Direct Cable Connection
DCC	Direct Client-to-Client protocol
DCC	Distributed Checksum Clearinghouse
DCCA	Dvd Copy Control Association
DCD	Data Carrier Detect
DCD	Document Content Description
DCE	Data Circuit-terminating Equipment
DCE	Data Communications Equipment
DCE	Distributed Computing Environment {IBM}
DCE/DFS	
DCF	Data Communication Facility
DCF	Data Compression Facility
DCF	Data Count Field
DCF	Driver Configuration File
DCG	Data elements Coordination Group
DCH	Direct Connect Hub
DCI	Display Control Interface
DCIA	Distributed Computing Industry Association {Sharman Networks}
DCIMA	Database and collections of Information Misappropriation Act {US Congress}
DCL	Data Center Linux
DCL	Data Control Language
DCL	Dialog Control Language
DCL	Digital Command Language
DCL	Digital Control Logic
DCLLC	Dot Cooperation LLC
DCM	Dimensional Constraint Manager {AutoCAD}
DCM	Distributed Computing Manager
DCMES	Dublin Core Metadata Element Set
DCMI	Dublin Core Metadata Initiative
DCML	Data Center Markup Language
DCN	Distributed Computer Network {NWG}
DCOM	Distributed Component Object Model {Microsoft}
DCOP	Desktop COmmunications Protocol
DCP	
DCPS	Data Communications Protocol Standards
DCRKA	Digital Consumer Right to Know Act {US Congress}
DCS	Data Collection System
DCS	Defense Communications System
DCS	Desktop Color Separation
DCS	Digital Camera System
DCS	Digital Cloning System {QWC}
DCS	Direct Communications System
DCS	Distributed Communications System
DCS	Dual Channel Switch
DCS	Dynamic Channel Selection
DCSC	Distributed Computing Standards Coalition
DCT	Data Communications Terminal
DCT	Destination Control Table
DCT	Discrete Cosine Transform
DCTC	Direct Connect Text Client
DCW	Digital Chart of the World
DD	Deployment Descriptor
DD	Digital Display
DD	Double Density
DDA	Domain-Defined Attribute
DDA	Dynamic Data Access
DDB	Device Dependent Bitmap
DDB	Device Driver Block
DDBMS	Distributed DataBase Management System
DDC	Digital Data Channel
DDC	Display Data Channel
DDC1	Display Data Channel 1
DDCMP	Digital Data Communications Message Protocol
DDCS	Distributed Database Connection Services
DDD	Data Display Debugger
DDDS	Defense Data Dictionary System
DDE	Dynamic Data Exchange {Microsoft}
DDECS	Design and Diagnostics of Electronic Circuits and Systems
DDEML	Dynamic Data Exchange Manager Library
DDES	Digital Data Exchange Specification
DDF	Dynamic Data Formatting
DDI	Device Driver Interface
DDJ	Dr. Dobbs Journal
DDK	Device Driver Kit
DDK	Driver Development Kit
DDL	Data Definition Language
DDL	Data Description Language
DDL	Document Description Language
DDLC	Database Development Life Cycle
DDM	Device Driver Module
DDM	Distributed Data Management
DDML	Document Definition Markup Language
DDN	Defense Data Network {US DOD}
DDNS	Dynamic Domain Name Service
DDO	Dynamic Device Overlay
DDO	Dynamic Drive Overlay
DDOS	Distributed Denial Of Service
DDP	Datagram Delivery Protocol
DDP	Desktop Data Processing
DDPO	Debian Developer's Packages Overview
DDQ	Data-Driven Query
DDR	Double Data Rate
DDS	Database Design Studio
DDS	Design Data Sheet
DDS	Digital Data Service
DDS	Digital Data Storage
DDS	Distributed Directory Services
DDSA	Direct Digitally Synthesized Audio
DDSR	Deleted Data Space Release
DDSSA	Digital Distributed System Security Architecture {DEC}
DDT	Dec Debugging Tape {DEC}
DDT	Dynamic Debugging Technique
DDT	Dynamic Dns Tools
DDV	Dialog Data Validation
DDX	Dialog Data eXchange
DE	Dashboard Edition {Candle Corp.}
DE	Desktop Edition {eZ Publish}
DE	Desktop Environment
DEA	Data Encryption Algorithm
DEA	Directory-Enabled Application {Microsoft}
DEC	Digital Entertainment Center {HP}
DEC	Digital Equipment Corporation
DECnet	Digital Equipment Corporation NETwork {DEC}
DED	Dark Emitting Diode
DED	Data Environment Designer {Microsoft}
DED	Dialog EDitor
DEDIST	Data Element DISTribution
DEG	Data Exchange Group
DEIS	Defense Enterprise Integration Services
DEK	Data Encryption Key
DEL	Decode Encode Language {NWG}
DEL	Diode ElectroLuminescente
DELORES	DEfeasible LOgic REasoning System
DeLUGE	
DEMMA	Direct Electronic Mail Marketing Association
DeMuDi	DEbian MUltimedia DIstribution
DEN	Directory-Enabled Networking {Microsoft}
DEP	Data Extension Products
DEREC	Daewoo Electronic Research Center
DERF	Data Element Request Form
DES	D&d Equipment Selector
DES	Data Encryption Standard
DES	Data Entry Sheet
DES	Digital Encryption Standard {IBM}
DET	Data Entry Terminal
DET	Device Execute Trigger
DET	Directory Entry Table
DEU	Dumb End User
devfs	DEVice File System
devfsd	DEVice File System Daemon
DevIL	DEVeloper's Image Library
DEXEC	Diagnostic EXECutive {Sun}
DFA	Deterministic Finite Automaton
DFC	Data Flow Control
DFC	Digital Future Coalition
DFC	Display File Compiler
DFD	Data Flow Diagram
DFE	Desktop Functional Equivalent
DFM	Distributed File Manager {IBM}
DFS	Depth First Search
DFS	Distributed File System
DFS	Dynamic File System {Sun}
DFSG	Debian Free Software Guide
DFSMS/MVS   Data Facility Storage Management Subsystem for MVS {IBM}
DFT	Diagnostic Function Test
DFT	Discrete Fourier Transform
DFT	Distributed Function Terminal
DFU	Data File Utility
DG	Data General
DGA	Direct Graphics Access
DGAV	DansGuardian Anti-Virus
DGC	Distributed Garbage Collector
DGIS	Direct Graphics Interface Standard
DGP	Dissimilar Gateway Protocol
dhcmp	Dump Heap CoMPare {Microsoft}
DHCP	Dynamic Host Connection Protocol
dhcpcd	Dynamic Host Connection Protocol Client Daemon
DHT	Distributed Hash Table
DHTML	Dynamic HyperText Markup Language
DI	Data In
DI	Destination Index
DI	Directeur Informatique
di	Disk Information
DIA	Defense Intelligence Agency {US DOD}
DIA	Document Interchange Architecture
DIAA	Distributed Internet Applications Architecture {Microsoft}
DIAPM	Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
DIB	Device Independent Bitmap {Microsoft}
DIB	Directory Information Base
DIBOL	DIgital Business Oriented Language
DIBS	Distributed Internet Backup System
DICE	Distributed Image Capture Engine
DID	Data Item Description
DIG	Data Intelligence Gatherer
DIGEST	DIgital Geographic Exchange STandard
DIGIC	DIGital Imaging Core {Canon}
DII	Defense Information Infrastructure
DII	Dynamic Invocation Interfaces
DII COE	Defence Information Infrastructure Common Operating Environment
DIICC	Defense Information Infrastructure Control Concept
DIICC	Defense Information Infrastructure Command and Control
DIIK	Damned If I Know {chat}
DIIP	Direct Interrupt Identification Port
DIIVL	Defense Information Infrastructure Virtual Laboratory
DILLIGAD	Do I Look Like I Give A Darn? {chat}
DILLIGAF	Do I Look Like I Give A F***? {chat}
DIME	Direct Internet Message Encapsulation
DIME	DIrect Memory Execution
DIMM	Dual Inline Memory Module
DIO	Data Input/Output
DIOTA	
DIP	Dependency Inversion Principle
DIP	Dialup Internet Protocol
DIP	Digital Imaging Processing
DIP	Dual Inline Package
DIS	Distributed Interactive Simulation
DIS	Draft International Standard
DIS	Dynamic Impedance Stabilization
DISA	Data Interchange Standards Association
DISA	Defense Information Systems Agency {US DOD}
DISC	Digital Interactive Systems Corp.
DISDBIS	DISsertationen zu DatenBanken und InformationsSystemen
DISN	Defense Information Systems Network {US DOD}
DISP	Directory Information Shadowing Protocol
Dispair	DISPlay Arichives In Realtime
DISSI	Delegation Interministerielle pour la Securite des Systemes d'Information
DIT	Directory Information Tree
DITA	Darwin Information Typing Architecture
DITEN	Direction de l'Information et des TEchnologies Nouvelles
DIVAN	Digital Mail's International Value Added Network
DIVE	Direct Interface Video Extension
DIVE	Distributed Interactive Virtual Environment
DIX	Dec, Intel, Xerox
DIZ	Description In Zip
DJ	Document Juggler
DK	Donkey Kong {Nintendo}
DK	Don't Know {chat}
DKE	Data & Knowledge Engineering
DKI	Driver Kernel Interface
DKMS	Dynamic Kernel Module Support
DKNF	Domain Key Normal Form
DKS	Distributed Knowledge Systems
DL	DataLang
DL	Digital Libraries {CoRR}
DL	Digital Library {ACM}
DL	DownLoad
DLB	Dispatcher Load Balancing
DLC	Data Link Control
DLC	Desktop Linux Consortium
DLCC	Desktop Linux Consortium Conference
DLC	Digital Light and Color
DLCI	Data Link Connection Identifier
DLD	Desktop Linux Directory
DLD	Display List Driver
DLE	Data Link Escape
DLG	Devilish Little Grin {chat}
DLG	Digital Line Graph
DLI	Data Link Interface
DLL	Data Link Layer
DLL	Dynamic Link Library {Microsoft}
DLLP	Data Link Layer Protocol
DLM	Dan's Location Manager
DLM	Distributed Lock Manager
DLM	Dynamic Link Module
DLPI	Data Link Provider Interface {Apple}
DLR	Dos Lan Requester
DLS	Data Link Switching
DLS	Directory Locator Service
DLSAP	Data Link Service Access Point
DLSw	Data Link SWitching
DLT	Digital Linear Tape
DLT	Divisible Load Theory
DLU	Dependent Logical Unit
DLUR	Dependent Logical Unit Requestor
DLUS	Dependent Logical Unit Server
DLWG	Desktop Linux Working Group {OSDL}
DM	Data Mark {NWG}
DM	Discrete Mathematics {CoRR}
DM	Distributed Memory
DMA	Direct Marketing Association
DMA	Direct Memory Access
DMAC	Direct Media Access Control
DMAC	Direct Memory Access Controller
DMB	Data Maintenance Ballot
DMB	Domain Master Browser {Microsoft}
DMCA	Digital Millenium Copyright Act {US Congress}
DMCRA	Digital Media Consumer Rights Act {US Congress}
DMD	Digital Micromirror Device
DMD	Directory Management Domain
DME	Dii Migration Environment
DME	Distributed Management Environment
DMF	Distribution Media Format {Microsoft}
DMI	
DMK	
DML	Data Manipulation Language
DMLE	Dungeon Master Linux Edition
DMMIS	Deport Maintenance Management Information System
DMMS	Dynamic Memory Management System
DMO	Direct Media Object {Microsoft}
DMO	Distributed Management Objects
DMOS	Double-diffused Metal-Oxide Semiconductor
DMP	Data Movement Processor
DMP	Dot Matrix Printer
DMPC	Distributed Memory Parallel Computer
DMQS	Display Mode Query and Set
DMR	Data Management System
DMR	Dennis M Ritchie
DMS	Defense Message System
DMS	Delegated Management Services {Netegrity}
DMSD	Digital MultiStandard Decoding
DMT	DataMining Toolkit
DMT	Digital MultiTone
DMTF	Desktop Management Task Force
DMTF	Distributed Management Task Force
DMU	Data Manipulation Unit
DMY	Day Month Year (date format)
DMZ	DeMilitarized Zone (firewalls)
DN	Distinguished Name {LDAP}
DNA	Digital Network Architecture
DNA	Direct Network Access
DNA	Distributed Network Architecture {Microsoft}
DNA	Dynamic Network Administration {Ericsson}
DNA	Dynamic Network Analyzer {Lucent}
DNA	Dynamic Network Architecture
DNAS	Distributed Network Audio Server {Shoutcast}
DNAT	Destination Network Address Translation
DNC	Direct Numerical Control
DNCP	DecNet phase iv Control Protocol
DNCP	DNa phase iv routing Control Protocol {NWG}
DNF	Duke Nukem Forever {3-D Realms} (gaming)
DNG	Digital Negative Specification {Adobe}
DNIC	Data Network Identification Code
DNPM	Darn Near Pissed Myself {chat}
DNS	Dna Naming Service {NWG}
DNS	Domain Name Server
DNS	Domain Name System
DNSBL	Domain Name System BlackList
DNSIX	Defense Network System for Information eXchange
DNSO	Domain Name Supporting Organization {IANA}
DNSSEC	Domain Name System SECurity
DO	Data Out
DO	Distributed Objects
DO-IT	Disabilities, Opportunities, Internetworking and Technology
DocDW	DOCument Delivery for Windows {USPTO}
DOD	DrinkOrDie (warez group)
DODIIS	Department Of Defense Intelligence Information System {US DOD}
DODS	Data Object Design Studio
DOE	Distributed Objects Everywhere {Sun}
DOG	Design Object Group
DOI	Digital Object Identifer
DOI	Domain Of Interpretation
DOJ	Department Of Justice
DOM	Document Object Model
DOM	Domino Object Model {Lotus}
DOMF	Distributed Object Management Facility {Sun/HP}
DOML
DON	Disque Optique Numerique
DOOW	Database of Our Owlish Wisdom
DOS	Denial Of Service
DOS	Disc Operating System {Microsoft}
dosemu	DOS EMUlator
DOV	Data Over Voice
DP	Data Processing
DP	Distributed Proofreading
DP	Domaine Public
DP	Dynamic Programming
DPA	Demand Protocol Architecture
DPA	Distributed Password Authentication
DPAM	Demand Priority Access Method
DPAPI	Data Protection Application Programming Interface
DPAREN	Data PARity ENable
DPAW	Danger, Penguins At Work
DPB	Drive Parameter Block
DPC	Direct Program Control
DPCL	Dynamic Probe Class Library {IBM}
DPE	Design Patterns Explained
DPE	Distributed Processing Environment
DPI	Distributed Program Interface
DPI	Dots Per Inch
DPL	Descriptor Privilege Level
DPM	Debian Policy Manual
DPM	Digital Panel Meter
DPMA	Dynamic Power Management Architecture
DPMI	Dos Protected Mode Interface {Microsoft}
DPMS	Data Processing and Management System {Bell Labs}
DPMS	Display Power Management System
DPMS	Dos Protected Mode Services {Microsoft}
DPOF	Digital Print Order Format {Canon/Kodak/Fuji/Matsushita}
DPOF	Direct Print Order Format
Dprobes	Dynamic PROBES
DPS	Display PostScript
DPS	Display Processing Software
DPS	Document Processing System
DPSK	Differential Phase Shift Keying
DPU	Display Processing Unit
DQA	Data Quality Act {US Congress}
DQDB	Distributed Queue Dual Bus
DQL	Dataease Query Language
DR	Digital Research
DR-BOND	Dial-up Router Bandwidth ON Demand
DR-DOS	Digital Research Disk Operating System {DR}
DR TPDU	Disconnect Request TPDU {ISO}
DRA	Don't Recognize Acronyms {chat}
DRA	Dynamic Routing Architecture
DRAGON	Ddr sdram, Raid, Audio, Graphics, Overclocking and Networking {Soyo}
DRAM	Dynamic Random Access Memory
DRAW	Dynamic Read After Write
DRBD	Distributed Replicated Block Device
DRBL	Distributed Real Black List (antispam)
DRC	Digital Room Correction
DRCS	Dynamically Redefinable Character Set
DRDA	Distributed Relational Database Architecture {IBM}
DRDW	Direct Read During Write
DRG	Data Reference Group
DRI	Declarative Referential Integrity
DRI	Digital Research Incorporated
DRI	Direct Rendering Infrastructure {XFree86}
DRM	Digital Rights Management {Adobe}
DRM	Digital Road Map
DRMP	Digital Rights Management Passport
DRO	Destructive Read-Out
DRoE	Domain Registry Of Europe
DRP	Decnet Routing Protocol
DRP	Direct Response Protocol
DRP	Distribution and Replication Protocol
DRS	Document Registration System
DRS	Document Repository System
DS	Data Structures {CoRR}
DS	Directory Services {Sun}
DS	Double Sided
DS4U	Data Solutions FOR yoU
DS/DD	Double Sided Double Density
DS-0	Digital Signal level 0
DS-3	Digital Signal level 3
DSA	Data Systems Architecture
DSA	Debian Security Advisory
DSA	Debian Security Announcement
DSA	Digital Signature Algorithm
DSA	Directory Service Agent {Microsoft}
DSA	Directory System Agent
DSA	Dynamic Scalable Architecture
DSAP	Destination Service Access Point
DSBE	Differential Scsi Buffered Ethernet card
DSBL	Distributed Server Boycott List (antispam)
DSD	Data Schema Designer
DSD	Document Structure Description
DSDD	Double Sided Double Density
DSDM	Dynamic Systems Development Method
DSDV	Destination-Sequenced Distance-Vector
DSE	Data Storage Equipment
DSEA	Display Station Emulation Adapter
DSEA	Domestic Security Enhancement Act {US Congress}
DSF	Device Simulator Framework
DSHD	Double Sided High Density
DSI	Data Storage Institute
DSI	Directeur des Systemes d'Information
DSI	Distributed Security Infrastructure
DSI	Dynamic Skeleton Interfaces
DSI	Dynamic Systems Initiative {Microsoft}
DSIS	Distributed Support Information Standard
DSK	Down Stream Keyer
DSL	Damn Small Linux
DSL	Digital Subscriber Line
DSL	Dynamic Simulation Language
DSM	Distributed Security Module
DSM	Distributed Shared Memory
DSMA	Digital Sense Multiple Access
DSML	Directory Services Markup Language
DSMN	Directory Services Manager for Netware {Novell}
DSN	Data Source Name
DSN	Delivery Status Notification
DSN	Dependable Systems and Networks
DSN	Distributed Sensor Network
DSO	Data Source Object
DSO	Decision Support Object
DSO	Distributed Security Officer
DSO	Dynamic Shared Object
DSOM	Distributed System Object Model
DSP	Digital Signal Processing
DSP	Directory System Protocol
DSP	Domain Specific Part
DSP	DweebSpeak Primer
DSQD	Double Sided Quad Density
DSR	Data Set Ready
DSR	Device Status Register
DSR	Dynamic Source Routing
DSS	Decision Support System
DSS	Digital Signature Standard
DSSA	Digital Software Security Act {California Legislature}
DSSA	Distributed System Security Architecture {DEC}
DSSD	Double Sided, Simple Density
DSSS	Direct Sequence Spread Spectrum
DSSSL	Document Style Semantics and Specification Language
DST	Data Storage Tape
DSTN	Double SuperTwisted Nematic
DSU	Data Service Unit
DSU	Digital Service Unit
DSVD	Digital Simultaneous Voice and Data
DT	Digital Think
DT TPDU	DaTa TPDU {ISO}
DT4DTD	DataType FOR Document Type Definition
DTA	Disk Transfer Area
DTA	Document Tracking and Activity
DTAUS	DatenTrägerAUStausch
DTC	Distributed Transaction Coordinator
DTC	Domain Technologie Control
DTCA	Digital Tech Corps Act
DTCB	Distributed Trusted Computing Base
DTCP	Digital Transmission Content Protection {Sony, Intel}
DTD	Data Type Document
DTD	Document Type Definition
DTDDECL
DTE	Data Terminal Equipment
DTE	Developmental Test and Evaluation
DTE	Dumb Terminal Emulator
DTF	Distributed Terascale Facility {NSF}
DTL	Diode-Transistor Logic
DTMF	Dual Tone Multi Frequency
DTML	Document Template Markup Language
DTP	Data Transfer Protocol
DTP	DeskTop Publishing
DTP	Distributed Transaction Processing
DTP	Distributed Transaction Protocol
DTP	Dynamic Threat Protection {ISS}
DTR	Data Terminal Ready
DTR	Data Transfer Rate
DTS	Data Transformation Services
DTS	Dna Time Service {NWG}
DTS IM	Data Transformation Services Information Model
DTV	DeskTop Video
DTVC	DeskTop Video Conferencing
du	Disk Usage
DUA	Directory User Agent
DUAL	Diffusing Update ALgorithm
DUART	Dual UART
DUAT	Direct User Access Terminal
DUD	Driver Update Disc
DUK	Dead Upon Keyboard {chat}
DUL	Dialup User List
DUN	Dial-Up Networking {Microsoft}
DUNS	Data Universal Numbering System {Dun & Bradstreet}
DUNS	Dun Unique Numerical Symbol {Microsoft}
DV	Digital Video
DVB	Digital Video Broadcast
DVB-MHP	Digital Video Broadcast's Multimedia Home Platform
DVC	Desktop Video Conferencing
DVD	Digital Versatile Disc
DVD	Digital Video Disc
DVD CCA	Digital Video Disc Copy Control Association
DVDF	DVD Forum
DVE	Digital Video Effect
DVI	Digital Video Interactive
DVI	Digital Video Interface
DVMRP	Distance Vector Multicast Routing Protocol {NWG}
DVP	Digital Video Producer
dW	Developer Works {IBM}
DWF	Data Warehousing Framework
DWIM	Do What I Mean {usenet}
DWIMC	Do What I Mean, Correctly {usenet}
DX	Data eXplorer {IBM}
DX	Database Xcessory {ICS}
DXB	Drawing eXchange Binary format {AutoCAD}
DXC	Data eXchange Control
DXF	Drawing eXchange Format {AutoCAD}
DXI	Data eXchange Interface
DXI	Digital eXchange Interface
DXPC	Differential X Protocol Compressor
Dzt	
E	Enlightenment (window manager)
E3	Electronic Entertainment Expo
E-COM	Electronic Computer-Originated Mail {USPS}
E-GADS	Electronic Ground search and rescue Administrative Database System
e-LAP	Embedded Linux Application Platform {IBM}
e-MPS	EMail Preference Service {DMA}
E-SMTP	Extended Simple Mail Transfer Protocol
EA	Electronic Arts
EA	Enterprise Administrator
EA	Enterprise Agreement {Microsoft}
EA	Extended Attribute
EA TPDU	Expedited Acknowledge TPDU {ISO}
EAB	Enterprise Access Builders
EAD	Enterprise Application Design
EAD	Enterprise Architecture Document
EAGLES	Expert Advisory Group on Language Engineering Standards
EAI	Enterprise Application Integration
EAL	Evaluation Assurance Level {ISO}
EAP	Extensible Authentication Protocol
EAR	Enterprise ARchitecture
EAR	External Access Register
EARN	European Academic Research Network
EAROM	Electrically Alterable Read Only Memory
EARS	Electronic Access to Reference Services
EAS	Enhydra Application Service
EATA	Enhanced AT bus Attachment
EATCS	European Association for Theoretical Computer Science
EB	ExaByte
EBC	Eisa Bus Controller
EBC	Electronic Business Communication
EBCDIC	Extended Binary Coded Decimal Interchange Code {IBM}
EBG	Emerging Business Group {AutoDesk}
EBI	EBusiness Integration suite
EBI	Equivalent Background Input
ebMS	EBxml Messaging Service
EBN	Extended Border Node
EBNF	Extended Backus-Naur Form
EBNF	Extended Backus Normal Form
EBONE
ebRS	EBxml RegiStry
EBT	Electronic Benefits Transfer
EBT	Enduring Business Theme
ebXML	Electronic Busines eXtensible Modeling Language {IBM}
EC	Electronic Commerce
EC	Error Control
EC/EDI	Electronic Commerce / Electronic Data Interchange
EC4S	Electronic Commerce FOR Software conference
ECAT	Electronic Card Assembly and Test
ECB	Electronic Code Book
ECBS	Engineering of Computer-Based Systems
ECC	Elliptic Curve Cryptography
ECC	Error Check Code
ECC	Error Correcting Code
ECCC	Electronic Colloquium on Computational Complexity
ECD	Enhanced Color Display
ECDL	European Computer Driver's License
ECDL	European Conference on Digital Libraries
ECHO	European Commission Host Organization
ECHT	European Conference on Hypermedia Technology
ECI	External Call Interface
ECL	Emitter-Coupled Logic
ECM	Electronic Control Module
ECM	Element Content Model
ECM	Enterprise Change Management
ECMA	European Computer Manufacturer's Association
ECML	European Conference on Machine Learning
ECN	Explicit Congestion Notification (networking)
ECNE	Enterprise Certified Netware Engineer {Novell}
ECO	Engineering Change Order
ECOL	Es.Comp.Os.Linux {usenet}
ECOOP	European Conference for Object-Oriented Programming
ECP	Encryption Control Protocol
ECP	Engineering Change Proposal
ECP	Enhanced Capabilities Port
ECP	European Computer Publishers
ECP	Excessive Cross-Posting {usenet}
ECPA	Electronic Communications Privacy Act
ECS	Element Construction Set
ECT	Enhanced Cluster Tools
ECTRA	Electronic Communication Transactional Records Act {US Congress}
ECTS	European Computer Trade Show
ECU	Eisa Configuration Utility
ED TPDU	Expedited Data TPDU {ISO}
EDA	Electronic Data Automation
EDA	Electronic Design Architecture
EDA	Electronic Design Automation
EDA	Embedded Document Architecture
EDA	Ethernet Device Adapter
EDA	Extended Data Architecture
EDA	External Device Access {Nortel}
EDB	Enhanced DeBugger {Intel}
EDB	Execution Disable Bit
EDC	Enhanced Data Correction
EDC	Error Detection and Correction
EDCARS	Engineering Data Control Automated Retrieval System
EDDC	Extended Distance Data Cable
EDDI	Environnement de Developpement et de Debogage Integre
EDDP	
EDG	Edison Design Group
EDGE	Enhanced Data rates for Gsm Evolution
EDH	Ephemeral Diffie-Hellman key exchange
EDI	Electronic Data Interchange
EDI	Electronic Document Interchange
EDIA	Electronic Data Interchange Association
EDICA	Electronic Data Interchange Council of Australia
EDICC	Electronic Data Interchange Council of Canada
EDIFACT	Electronic Data Interchange For Administration, Commerce and Transportation
EDIFICAS	Electronic Data Interchange in the Financial Information, Cost, Accounting and Social
EDIFICE	Electronic Data Interchange Forum for Compagnies with Interest in Computing and Electronics
EDIRA	Electronic Data Interchange Registration Authorities
EDIWI	Electronic Data Interchange World Institute
EDK	Embedded Development Kit
EDL	Edit Decision List
EDLC	Ethernet Data Link Control
EDM	Elysium Download Manager
EDMD	EDifact Message Directory
EDMF	EDifact Message Frameworks
EDO	Enhanced Data Out
EDO	Extended Data Out
EDO-RAM	Enhanced Data Out Random Access Memory
EDOC	Enterprise Distributed Objects Conference
EDOC	Extended Distributed Object Computing {OMG}
EDOS	Enhanced Disk Operating System
EDP	Electronic Data Processing
EDP	Electronic Design Process
EDR	Electronic Data Recorder
EDS	Electronic Data Systems corp.
EDSAC
EDSD	Electronic data interchange Data Segment Directory
EDUCOM
EE	Electronics Engineer
EE	End-to-End
EE	Enterprise Edition
EEC	Extended Error Correction
EED	Extended Entity Data
EEE	Extended Enterprise Edition {IBM DB2}
EEEB	Eastern European Edifact Board
EEL	Epsilon Extension Language
EEMA	European Electronic Messaging Association
EEMS	Enhanced Expanded Memory Specification
EEPROM	Electrically Erasable Programmable Read Only Memory
EES	Escrow Encryption Standard
EET	Electrical Engineer Times
EFA	Electronic Frontiers Australia
EFA	Extended File Attribute
EFF	Electronic Frontiers Foundation
EFI	Electromechanical Frequency Interference
EFI	Extensible Firmware Interface {Intel}
Efisto	Easy FIle Send TO
EFL	Emitter Follower Logic
EFLA	Extended Four Letter Acronym
EFS	Encrypting File System {Microsoft}
EFT	Electronic Funds Transfer
EFTS	Electronic Funds Transfer System
EG	Evil Grin {chat}
EGA	Enhanced Graphics Adapter
EGD	Entropy Gathering Daemon
EGOVOS	E-GOVernment Operating System
EGP	Exterior Gateway Protocol {BBN}
EHLLAPI	Emulator High Level Language Application Programming Interface
EHS	Embedded Http Server
EI	Enterprise Integration
EIA	Electronic Industries Alliance
EIA	Electronic Industries Association
EIA	Enhanced Identification and Authentication
EIA	Enterprise Information Architecture
EIDE	Enhanced Integrated Drive Electronics {ANSI}
EIES	Enterprise Integration Evaluation System
EIF	Exercise In Futility
EIGRP	Enhanced Internet Gateway Routing Protocol {Cisco}
EIM	Enterprise Integration Middleware
EIP	Enterprise Information Portal
EIP	Ethernet Interface Processor
EIP	Extended Internet Protocol {UCL}
EIR	Extended Information Rate
EIS	Executive Information System
EISA	Extended Industry Standard Architecture
EISS	European Intelligence Support System
EIT	Electronic and Information Technology
EITC	European Information Technology Conference
EIU	Economist Intelligence Unit
EJB	Enterprise Java Beans {Sun}
EJB QL	Enterprise Java Beans cmp finder Query Language {Sun}
EJBCA	Enterprise Java Bean Certificate Authority
EL	Eternal Lands (MMORPG)
ELAN	Emulated Local Area Network {IBM}
ELB	Extremely Low Budget {Apple}
ELC	Embedded Linux Consortium
ELCPS	Embedded Linux Consortium Platform Specification {ELC}
ELF	Enterprise Linux Forum
ELF	Executable and Linking Format
ELJ	Embedded Linux Journal
ELKS	
ELM	Elan License Manager
ELOG	Electronic LOGbook
ELPIF	E-Logistics Processes Integration Framework
ELPS	Excessive Language Proliferation Syndrome
ELS	Entry Level System
ELSNet	European Language and Speech NETwork
EM	Enterprise Manager
EMA	Electronic Messaging Association
EMA	EMarketers America
EMA	Enterprise Management Architecture
Emacs	Editing MACroS {GNU}
EMB	Extended Memory Block
EMBARC	Electronic Mail Broadcast to A Roaming Computer
EMC	Electronic Medical Claims
EMC	Enhanced Machine Controller
EMC	Extended Math Coprocessor
EMEDI	European Medical Electronic Data Interchange
EMF	Enhanced Metafile Format
EMI	ElectroMagnetic Interference
EMIF	Enterprise system connection Multiple Image Facility
EMM	Expanded Memory Manager
EMP	ElectroMagnetic Pulse
EMP	Emergency Management Port
EMP	Encrypted Messaging Program
EMP	Excessive MultiPosting {usenet}
empy	EMbedded PYthon
EMR	Enhanced Metafile Record
EMRS	Electronic Medical Records System
EMS	EMail Shorthand
EMS	Enterprise Messaging Server
EMS	Expanded Memory Specification
EMWAC	European Microsoft Windows nt Academy Center
ENBD	Enhanced Network Block Device
ENDEC	ENcoder/DECoder
ENIAC	Electronic Numerical Integrator And Calculator
ENSS	Exterior Nodal Switching Subsystem
ENTCS	Electronic Notes in Theoretical Computer Science
EO	Enterprise Objects
EOA	End Of Address
EOB	End Of Block
EOB	Enterprise Object Broker
EOC	End Of Conversion
EOD	End Of Discussion {chat}
EOF	End Of File
EOF	Enterprise Objects Framework
EOFB	End Of Facsimile Block
EOI	End Of Identity
EOJ	End Of Job
EOL	End Of Lecture {usenet}
EOL	End Of Life
EOL	End Of Line
EOL	End Of List
EOM	End Of Message
EON	
EOS	End Of String
EOSDIS	Earth Observing System Data and Information System
EOT	End Of Tape
EOT	End Of Text
EOT	End Of Thread {usenet}
EOT	End Of Transmission
EOT	End Of Tsdu (TPDU field)
EOU	End Of User
EPC	Electronic Publishers Commission
EPCA	Electronic Privacy Communications Act {US Congress}
EPFL	École Polutechnique Fédérale de Lausanne
EPHOS	European Procurement Handbook for Open Systems
EPI	External Presentation Interface
EPIC	Electronic Privacy Information Center
EPIC	Explicitly Parallel Instruction Computing {Intel/HP}
EPITA	Ecole Pour l'Informatique et les Techniques Avancees
EPL	Effective Privilege Level
EPL	Electronic switching system Programming Language
EPLD	Electronically Programmable Logic Device
EPM	Easy Package Manager {ESP}
EPM	Enhanced edito for Presentation Manager
EPM	Enterprise Process Management
EPM	Esp Package Manager
EPMI	Ericsson Project Management Institute {Ericsson}
EPO	Embedded Protocol Objects {RedHat}
EPP	Enhanced Parallel Port
EPROM	Erasable Programmable Read Only Memory
EPS	Electronic Permitting Service
EPS	Email Processing System
EPS	Encapsulated PostScript
EPSF	Encapsulated PostScript File
EPSI	Encapsulated PostScript Interchange {Adobe}
EQ	English Query
EQ	EverQuest (game) {Sony}
EQD	English Query Domain (file format)
ER/RC	Extended Result / Response Code
ERA	Electronic Remittance Advise
ERAS	Electronic Routing and Approval System
ERCIM	European Research Consortium for Informatics and Mathematics
ERD	Entity Relationship Diagram (databases)
ERI	Embedded Reasoning Institute {SNL}
ERIC	Educational Resources Information Center
ERLL	Enhanced Run Length Limited
EROM	Erasable Read Only Memory
ERP	Enterprise Resource Planning
ERR TPDU	ERRor TPDU {ISO}
ERSP	Evolution Robotics Software Platform
ERW	Edwares Report Writer
ERW	Entities and Relationships on the Web
ES	End System {ANSI}
ES	Extended Services
ES	Extra Segment (assembly language)
ES-IS	End System to Intermediate System {ANSI}
ES5	Earth Station 5 (P2P client)
ESA	Enterprise Systems Architecture {IBM}
ESA	Entertainment Software Association
ESB	
ESC	Eisa System Component
ESC	Embedded Systems Conference
ESC	Engineering Steering Committee {OpenOffice.org}
ESC	European Software Center
ESC/P	Epson Standard Code for Printers {Epson}
ESCC	Esnet Site Coordinating Committee {ESnet}
ESCM	Extended Services Communication Manager
ESCON	Enterprise System CONnection
ESCON	Enterprise Systems CONnectivity
ESD	Electronic Software Distribution
ESD	ElectroStatic Discharge
ESDA	Electronic System Design Automation
ESDI	Enhanced Small Drive Interface
ESE	{Microsoft}
ESF	Extended Superframe Format
ESH PDU	End System Hello Protocol Data Unit {ANSI}
ESI	Edge Side Includes
ESI	Enhanced Serial Interface
ESIOP	Environment-Specific Inter-Object request broker Protocol
eSKUeL	
ESM	End System Multicast
ESMTP	Enhanced Simple Mail Transfer Protocol
ESMTP	Extended Simple Mail Transfer Protocol
ESN	Electronic Security Number
ESnet	Energy Sciences NETwork
ESP	Easy Software Productions
ESP	Embedded Support Partner {SGI}
ESP	Emulation Sensing Processor
ESP	Encapsulating Security Payload
ESP	Enhanced Serial Port
ESP	Enhanced Service Provider
ESPC	Email Service Provider Coalition
ESR	Eric S Raymond (Open Source evangelist)
ESRF	European Synchrotron Radiation Facility
ESS	Electronic Switching System
ESS	Enterprise Storage Server {IBM}
ESU	ElectroStatic Unit
ESX	
ETANN	Electrically Trainable Analog Neural Network
ETB	End of Transmission Block
ETC	Executable Test Case
ETD	Element Type Declarations
ETFTP	Enhanced Trivial File Transfer Protocol
ETL	Extract, Transform and Load
ETLA	Enhanced Three Letter Acronym
ETLA	Extended Three Letter Acronym
ETOx	Eprom Tunnel OXide
ETR	EText Reader
ETS	Easy Template System
ETS	Executable Test Suite
ETSI	European Telecommunication Standards Institute
ETTK	Emerging Technologies ToolKit {IBM}
ETV	Enhanced TeleVision
ETW	European Test Workshop
ETX	End of TeXt
EU	End User
EU	Execution Unit
EUC	Extended Unix Code
EUCD	European Union Copyright Directive
EULA	End User License Agreement {Microsoft}
EUnet	European Unix NETwork
EUP	Enterprise Unified Process
EUUG	European Unix User Group
EUV	Extreme-UltraViolet
EVGA	Extended Video Graphics Array
EVMS	Enterprise Volume Management System {IBM}
EVMS	EVidentiary Metadata System {FBI}
EWAN	Emulator Without A Name
ewmh	Extended Window Manager Hints
EWG	Egoistic Wordlist Generator
EWMH	Extended Window Manager Hints
EWOS	European Workshop for Open Systems
EWS	Employee Written Software
EXIF	EXchangeable Image File
ExCA	EXchangeable Card Architecture
ExTra	EXpert system for TRAvel planning
EXUG	European X User Group
fa	From Arpanet {usenet}
FAC	File Access Code
FADS	Fast Autocad Development System {AutoCAD}
FAFF	Fast Advantage File Format
FAFWOA	For A Friend WithOut Access {chat}
FAGS	Free AudioGalaxy Satellite
FAIL	Fast Artificial Intelligence Language
FAM	File Alteration Monitoring
FAME
FAMOS	Floating gate Avalanche Metal Oxide Semiconductor
FAP	File Access Protocol
FAPI	Family Application Programming Interface
FAQ	Frequently Asked Question
FAQL	Frequently Asked Questions List
FARNET	Federation of American Research NETworks
FASMI	Fast Analysis of Shared Multi-dimensional Information
FAST	Future Administrative Systems Team {Univ. of Houston}
FAT	File Allocation Table {Microsoft}
FATA	Fiber Attached Technology Adapted {HP}
FBA	Faceless Background Application
FBGA	Fine-pitch Ball Grid Array
fbv	FrameBuffer Viewer
FC	Fiber Channel
FC	Fedora Core (linux)
FC1	Fedora Core version 1
FC2	Fedora Core version 2
FC-AL	Fiber Channel Arbitrated Loop
FC-EL	Fiber Channel Enhanced Loop
FCA	Functional Configuration Audit
FCB	File Control Block
FCC	Federal Communications Commission
FCCM	Field-programmable Custom Computing Machines
FCCSET	Federal Coordinating Council for Science, Engineering and Technology
FCF	Feature Control Frame
FCFS	First Come, First Served
FCGI	Fast Common Gateway Interface
FCL	Framework Class Library
FCOL	For Crying Out Loud {chat}
FCP	Fiber Channel Protocol
FCS	Frame Check Sequence
FCS	Frame CheckSum
FCT	File Control Table
FD	Floppy Disk
FDB	Fluid Dynamic Bearing {Western Digital}
FDB	Font Definition Block
FDC	Floppy Disk Controller
FDD	Floppy Disk Drive
FDDI	Fiber Distributed Data Interface
FDF	Forms Data Format {Adobe}
FDI	Flash Data Integrator
FDK	From Data to Knowledge
FDL	Free Documentation License
FDL	Freebsd Documentation Library {FreeBSD}
FDLLUG	Fond Du Lac Linux Users Group (Wisconsin)
FDM	Frequency Division Multiplexing
FDMA
FDML	Flow Description Markup Language
FDROTFL	Falling Down Rolling On The Floor Laughing {chat}
FDT	Feature Development Team
FDU	Font DeUglification {LDP}
FDX	Full DupleX
FE	Field Engineer
FE	Front End
FECN	Forward Explicit Congestion Notification
FED	Field Emission Display
Fedora	Flexible Extensible Digital Object and Repository Architecture
FEFO	First Ended First Out
FEGURM	Fill, Edit, GetChanges, Update, Refresh and Merge
FEIP	Fast Ethernet Interface Processor
FEM	Finite Element Method
FEP	Front End Processor
FEPG	Federal networking council (FNC) Engineering and Planning Group
FEPI	Front End Programming Interface
FEPROM	Flash Erasable Programmable Read-Only Memory
FERM	For Easy Rule Making (firewalls)
FESDK	Far East Software Development Kit
FET	Field Effect Transistor
FF	Final Fantasy (gaming)
FF	Flip-Flop
FF	Form Feed
FFII	Förderverein für eine Freie Informationelle Infrastruktur
FFII	Foundation for a Free Information Infrastructure {FSFE}
FFRDC	Federally Funded Research and Development Center
FFS	Fast File Search
FFS	Fast File System
FFS	Flash File System
FFST	First Failure Support Technology
FFT	Fast Fourier Transform
FFT	Final Form Text
FG	ForeGround
FGAC	Fine Grained Access Control
FH	Frame Handler
FHS	Filesystem Hierarchy Standard {LSB}
FHSS	Frequency Hopping Spread Spectrum
FIA	Form Interpretation Algorithm
FIAIF	Fiaif Is An Intelligent Firewall
FIB	Forwarding Information Base {Cisco}
FICON	
FICS	Free Internet Chess Server
FIDO	FInite DOmains
FIDONET	FInite DOmains NETwork
FIF	Fractal Image Format
FIFO	First In, First Out
FILO	First In, Last Out
FIN	Freedom to Innovate Network {Microsoft}
FINEID	FINnish Electronic IDentity
FIP	Fddi Interface Processor
FIPR	Foundation for Information Policy Research
FIPS	Federal Information Processing Standard
FIPS	First non-destructive Interactive Partition Splitting program
FIR	Finite Impulse Response
FIRMPoC	Federal Information Resource Management POlicy Council
FIRN	Florida Information Resource Network
FIRST	For Inspiration and Recognition of Science and Technology
FIRST	Forum of Incident Response and Security Team
FiSC	Fisc Is Scientific Computing
FISH	First In, Still Here
FISO	Fast-In Slow-Out
FITB	Fill In The Blank {chat}
FITNR	Fixed In The Next Release
FITS	Flexible Image Transfer System
FIX	Federal Information eXchange
FIX	Federal Internet eXchange
FIX	Financial Information eXchange
FIZ	FachInformationsZentrum
FJCC	Fall Joint Computer Conference
FLA	Five Letter Acronym
FLA	Four Letter Acronym
FLAC	Free Lossless Audio Codec
FLAVIO	Flow Loader And Virtual Information Output
FLC	Ferro-electric Liquid Crystam
flc	File Listing Creator
FLEA	Four Letter Extended Acronym
flex	Fast LEXical analyzer
FLF	Fluent Laser Font
FLINT	Fuzzy Logic INferencing Toolkit
FLIT	FLexowriter Interrogation Tape
Fljud	Flexible Ldap Jabber User Directory
FLL	Foxpro Link Library
FLOP	FLoating point OPeration
FLOPS	FLoating point Operations Per Second
FLOSS	Free/Libre/Open Source Software
FLP	Fast Link Pulse
FLT	Fuzzy Logic Toolkit
fltdj	Fast Light - The Daily Journal
FLTK	Fast Light ToolKit
FLUID	Fast Light User Interface Developer
FLWR	For Let Where Return
FMAC	Floating-point Multiply ACcumulator
FMS	Forms Management System
FMTEYWTKA	Far More Than Everything You Wanted To Know About (Perl)
FMV	Full Motion Video
FNAL	Fermi National Accelerator Laboratory
FNC	Federal Networking Council
fnews	Forward NEWS
FNN	Flat Neighborhood Network
FNS	Federated Naming Service
FNSI	Fiber Network Solutions, Inc.
FO	Forward Observer {CSCR}
FOAD	F*** Off And Die {chat}
FOAF	Friend Of A Friend {chat}
FOAL	F*** Off And Live {chat}
FOCS	Foundations Of Computer Science {IEEE}
FOD	Finger Of Death
FOG	First Osborne Group
FOGE	FOrm GEnerator
FoIP	Fax Over IP
FOIRL	Fiber-Optic InterRepeater Link
FOLDOC	Free On Line Dictionary Of Computing
FOLK	Functionally-Overloaded Linux Kernel {http://folk.sourceforge.net}
FOOBAR	Ftp Operation Over Big Address Records
FOP	Formatting Objects to Pdf {Adobe}
FOR	For Obvious Reasons {chat}
FORMAC
FORTRAN	FORmula TRANslation
FOSDEM	Free and Open Source software Developers European Meeting
FOSE	Federal Office Systems Exposition
FOSI	Format Option Specification Instance
FoSP	Frontiers Of Software Practice {ICSE}
FOSS	Free and Open Source Software
FOSSFA	Free and Open Source Software Foundation of Africa
FOSSIL	Fido/Opus/Seadog Standard Interface Layer
FOT	Full Of Tripe {chat}
FOTCL	Falling Off The Chair Laughing {chat}
fou4s	Fast Online Update FOR Suse
FP	First Post {Slashdot}
FP	FontPlay {alt.binaries.fonts}
FP	Front Page {Microsoft}
FP	Functional Programming
FPA	Floating Point Accelerator
FPC	Floating Point Calculation
FPC	Frequently Posted Comment
FPD	Flat Panel Display
FPDI	Flat Panel Display Interface
FPDU	File transfer, access and management Protocol Data Unit
FPGA	Field Programmable Gate Array
FPI	Formal Public Identifier
FPLA	Field Programmable Logic Array
FPLL	Fractional Phase Lock Loops
FPM	Fast Page Mode
FPML	Financial Products Markup Language
FPO	For Position Only
FPP	Floating Point Processor
FPS	First-Person Shooter (gaming)
FPS	Frames Per Second
FPSNW	File and Print Server for NetWare {Novell}
FPU	Field Processing Unit
FPU	Floating Point Unit
FQDN	Fully Qualified Domain Name
FR	Frame Relay
FR-NIC	FRench Network Information Center
FRAD	Frame Relay Access Device
FRAM	Ferroelectric Random Access Memory
FRAS	Frame Relay Access Support
FRC	Functional Redundancy Checking
FRE	Frequently Requested Enhancement
FRED	File Reader, Editor and Debugger
FRED	F***ing Ridiculous Electronic Device
FREE	Free Referenda and Elections Electronically
FREE	FRont End Engineering
FReq	File REQuest {FidoNet}
FRICC	Federal Research Internet Coordinating Committee
Frox	Ftp pROXy
FRS	File Replication Services {Microsoft}
FRS	Freely Redistributable Software
FRSN	Flow Reduction Sequence Number
FRU	Field-Replaceable Unit
FS	Field Separator
FS	File Separator
FS	FileSystem
FSA	Finite State Automaton
FSB	Front-Side Bus
FSBE	Fast Scsi Buffered Ethernet
FSD	FileSystem Driver
FSDN	Free Software Development Network
FSE	Full-Screen Editor
FSF	Free Software Foundation {GNU}
FSFE	Free Software Foundation Europe
FSG	Free Standards Group
FSIP	Fast Serial Interface Processor
FSK	Frequency Shift Keying
FSM	Finite State Machine
FSM	Free Software Magazine
FSMC	Finite State Machine Compiler
FSN	Full Service Network
FSP	File Service Protocol
FSR	Free System Resource
FSS	Finite State System
FSSP	Firing Squad Synchronization Problem
FST	Fast Sequenced Transport
FST	Flat Square Tube
FSU	Florida State University
fsv	FileSystem Viewer
FSV	Functional Service View
FTAM	File Transfer, Access, and Management
FTASB	Faster Than A Speeding Bullet {chat}
FTDCS	Future Trends in Distributed Computing Systems
ftest	Firewall TESTer
ftestd	Firewall TESTer Daemon
FTF	Face To Face {chat}
FTF	Free The Film {warez}
FTL	Faster Than Light {chat}
FTL	Functor Template Library (c++)
FTP	File Transfer Protocol
FTPD	File Transfer Protocol Daemon
FTS	Full-Text Search
FU	Fouled Up
FUBAR	Failed UniBus Address Register
FUBAR	Fouled Up Beyond All Recognition
FUBB	Fouled Up Beyond Belief
FUD	Fear, Uncertainty and Doubt {IBM}
FUDD	Frequently Updated Distributed Data
FUI	File Update Information
FURTB	Full Up, Ready To Burst (drive space availability)
FUS	Fast User Switching {Microsoft}
FUSE	Filesystem in User SpacE
FVT	Full Video Translation
FVWM	Free Virtual Window Manager
fwdown	FireWall DOWN
FWI	Frequently Wanted Information
FWIW	For What It's Worth {chat}
fwmon	FireWall MONitor
FWNTUG	French Windows NT Users Group
fwup	FireWall UP
FX	Field eXchange
fx2sx	Flat Xml TO Structured Xml
FXO	Foreign eXchange Office
FXP	
FXS	Foreign eXchange Subscriber
FYA	For Your Amusement {email}
FYI	For Your Information
FZA	(compression)
G	Grin {chat}
G2	Gnutella2 {Shareaza}
GA	Genetic Algorithm
GAB	Gichet Automatique de Banque
GAB	Group Audio Bridging
GAC	Generic Artifical Consciousness
GAC	Get A Clue {chat}
GAC	Global Assembly Cache
GAFIA	Get Away From It All {chat}
GAIL	Gnome Accessibility Implementation Library
GAIM	Gnu Aol Instant Messenger
GAIN	Gator Advertising and Information Network
GAK	Government Access to Key
GAL	Generic Array Logic
GAM	Global Allocation Map {Microsoft}
GAN	Global Area Network {Inmarsat}
GAP	Generateur Automatique de Programmes
GAP	Groups Algorithms and Programming
GAPI	Gateway Application Programming Interface
GART	Graphics Address Remapping Table
GAU	Grösster Anzunehmender Unfall
GAUL	Genetic Algorithm Utility Library
GAWK	Gnu AWK
GB	GameBoy {Nintendo}
GB	GigaByte
GB	Graphics Buffer
GBA	GameBoy Advanced {Nintendo}
GBB	Gbb Bulletin Board
GBLUG	Glen Burnie Linux Users Group
GBPS	GigaBytes Per Second
GC	Garbage Collection (reclaiming program's memory)
GCAD	Generic CAD
GCC	Gnu C Compiler (deprecated expansion)
GCC	Gnu Compiler Collection
GCCS	Global Command and Control System
GCF	Generic Connection Framework
GCGI	Gnu Common Gateway Interface
GCI	Global Commerce Initiative
GCJ	Gnu Compiler for Java
GCL	General Class Library (c++)
GCL	Gnu Component License {FSF}
GCL	Graphics Command Language
GCMP	Gateway Connected Music Player {Gateway}
GCN	Government Computer News
GCODE	Gtk+ C++ Object Development Environment
GCOS	General Comprehensive Operating System {GE}
GCR	Group Code Recording
GDA	Global Data Area
gdb	Gnu DeBugger {FSF}
GDD	Game Design Document
GDDL	Graph Data Description Language
GDDM	Graphics Data Display Manager
GDF	Gnutella Developers Forum
GDH	Grinning, Ducking and Hiding {chat}
GDI	Graphics Device Interface
GDK	Graphics Device Kit
GDL	
GDLC	Generic Data Link Control
GDM	Gnome Desktop Manager
GDM	Gnome Display Manager
GDMO	Guidelines for Definition of Managed Objects
GDMS	Global Data Management System
GDP	Gateway Discovery Protocol
GDP	Graphic Draw Primitive
GDR	Geophysical Data Records
GDR	Grinning, Ducking and Running {chat}
GDRF	Grinning, Ducking and Running Fast {chat}
GDRVVF	Grinning, Ducking and Running Very, Very Fast {chat}
GDT	Global Descriptor Table
GDW	Grinning, Ducking and Weaving {chat}
GE	General Electric
GECOS	General Electric Comprehensive Operating System
gEDA	Gnu Electronic Design Automation
Gedafe	GEneric DAtabase Front End
GEF	Graphical Editing Framework
GENIE	General Electric Network for Information Exchange
GEOS	Graphic Environment Operating System
GEST	Generic Expert System Tool
GET	Get Execute Trigger
GETOX	Gnome Editor for Text Oriented Xml
GF	Gnome Foundation {GNOME}
GFA	Geeks For America
GFAK	Go Fly A Kite {chat}
GFDD	Gnutemberg Free Documentation Database
GFDL	Gnu Free Documentation License {GNU}
GFII	Groupement FranÁais de l'Industrie et de l'Information
GFLOPS	Giga FLoating point Operations Per Second
GFR	Grim File Reaper
GFS	Global File System
GG	GarageGames
ggc	Gnu Gluco Control
GGF	Global Grid Forum (grid computing)
GGI	General Graphics Interface
GGN	Gotta Go Now {chat}
GGP	Gateway-Gateway Protocol
ggv	Gnome GhostView
GGZ	
GHC	Glasgow Haskell Compiler
GHS	Green Hills Software
GIAC	Global Incident Analysis Center
GID	Global Information Distribution
GID	Group IDentifier
GIDD	Global Information Distribution Daemon
GIF	Graphics Interchange Format {Unisys}
GIFA	Global Internet Freedom Act {US Congress}
GIFT	Gnu Image Finding Tool {GNU}
GIG	Global Information Grid {US DOD}
GIG	Gnome Installation Guide
GIGO	Garbage In, Garbage Out
GII	Global Information Infrastructure
GILT	
GiMan	Generic Information MANager {Strix}
GIMP	Gnu Image Manipulation Program
GIMPS	Great Internet Mersenne Prime Search
GiNaC	Ginac Is Not A Cas (Computer Algebra System)
GInX	Grasp INterpreter for X windows
GIOP	General Inter-Object request broker Protocol
GIPS	Giga-Instructions Per Second
Giram	Giram Is Really A Monitor
GIS	Geographic Information System
GIS	Given, Initial, Surname
GIS	Global Information Solutions
GIST	Generic Information Server Toolkit
GIT	Gnu Interactive Tools {GNU}
GITD	Global Internet-Telephony Directory {ICANN}
GITK	Generalized Interface Tool Kit
GIWIST	Gee, I Wish I Said That {chat}
GIX	Global Internet eXchange
GJAL	Generic Java Algebra Library
GkACPI	GKrellm ACPI monitor
GKMP	Group Key Management Protocol
GKS	Graphical Kernel System
GKS	Graphics Kernel System
GL	General Literature {CoRR}
GL	Geometry Library
GL	Graphics Library
GLAME	Gnu/Linux Audio MEchanics
GLBCC	Gnu/Liberty Basic Compiler Collection
GLG	Goofy Little Grin {chat}
GLIMPSE	GLobal IMPlicit SEarch
GLIS	Global Land Information System
GLiv	openGL Image Viewer
GLM	General Linear Models
GLOBE	
Gloriad	GLObal RIng network for advance Application Development
GLPK	Gnu Linear Programming Kit
GLPK	Gnu Linux Programming Kit
gLSB
GLUE	Groups of Linux Users Everywhere
GLUT
GM	General Midi
GML	General Modeling Language
GML	Generalized Markup Language
GML	Gui Markup Language
GMP	Gnome Media Project {GNOME}
GMP	Gnu MultiPrecision library {GNU}
gmp3	Gnome MP3
GMS	Global Messaging Service
GMT	Greenwich Mean Time
GMTA	Great Minds Think Alike {chat}
gMUDix	
GNADE	GNu Ada Database Environment
GNIS	Geographical Names Information System
GNN	Global Network Navigator
gnocl	GNOme extensions for tCL
GNOME	Gnu Network Object Model Environment
GNR	Global Name Registry
GNS	Get Nearest Server
GNU	Gnu's Not Unix
GNUMP3d	GNU MP3 Daemon
GnuPG	GNU Privacy Guard
GNUTLS	GNU Transport Layer Security
GO-MHS	Global Open Message Handling System
gob	Gtk+ Object Builder
gocr	Gnu Optical Character Recognition {GNU}
GOD	Gathering Of Developers
GOF	Gang Of Four {Gamma, Helm, Johnson, Vlissides}
GOLUM	Group Of Linux Users in Memphis
GOM	Gallery-O-Matic (web site generator)
GOSIP	Government Open Systems Interconnection Profile {US DOD}
GOST	
GOTFIA	Groaning On The Floor In Agony {chat}
GotW	Guru Of The Week {comp.lang.c++}
GOWI	Get On With It {chat}
GP	Graphics Processor
gpa	Gnu Privacy Assistant {GNU}
gpc	General Polygon Clipper
gpc	Gnu Pascal Compiler {GNU}
GPDR	Global Positioning Demonstration Receiver
GPE	General Program Exception {Microsoft}
GPF	General Protection Fault {Microsoft}
GPFS	General Parallel File System
GPG	Gnu Privacy Guard
GPI	Graphical Programming Interface
GPIB	
GPIO	General Purpose Input/Output
GPL	General Public License {GNU}
GPL	Gnu Public License {GNU}
GPL	Graphics Programming Library
GPLIGC	General Public License IGC analyzer
GPMC	Group Policy Management Console {Microsoft}
GPO	Group Policy Object
GPR	General Purpose Register
GPRS	General Packet Radio Service
GPRS	General Packet Radio Switching
GPS	Global Positioning System {USAF}
gps	Graphical Process Statistics
GPSI	General Purpose Serial Interface
GPSS	General Purpose Systems Simulator
GPU	Graphics Processing Unit
GQL	Graphical Query Language
GRAAL	General Recursive Applicative and Algorithmic Language
GRAB	Greg's Rpm Application Builder
GRACE	Graduate Robot Attending ConferencE
GRASS	Geographic Resources Analysis Support System
GRE	Generic Routing Encapsulation
grep	Global, Regular Expression, Print
GRP	Gentoo Reference Program
GRUB	GRand Unified Bootloader {GNU}
GRX	
GS	Group Separator
gsar	Generalized Search And Replace
GSCC	Government Securities Clearing Corporation
GSF	Gnome Structured File
GSI	Grid Security Infrastructure
GSID	Global Server IDentifier
GSL	Gnu Scientific Library {FSF}
GSL	Grammar Specification Language
GSM	Global System for Mobile communications
GSMP	General Sound Manipulation Program
GSMP	General Switch management Protocol {Ipsilon}
GSP	Global Service Provider
GSS	Generic Security Service {NWG}
GSS-API	Generic Security Service Application Program Interface {NWG}
GST	Gnome System Tools
GSX
GTABO	Get That A** Back On (after ROFLMAO) {chat}
GTG	Got To Go {chat}
GTK	Gimp ToolKit
GtkGLExt	Gnome ToolKit openGL EXTensions
GTL	Gunning Transceiver Logic
gTLD	Generic Top-Level Domain {IANA}
GTML	Gnu Text Markup Language
GUAM	Graphical User Administrator for Mysql
GUGU	Gurus of Unix Group of Users {DDJ, June 84}
GUI	Globally Unique Identifier {Microsoft}
GUI	Graphical User Interface
GUID	Global Unique IDentifier
GUILE	Gnu's Ubiquitous Intelligent Language Extension
GUMM	Gurus of Unix Meeting of Minds {DDJ, June 84}
gup	Group Update Program
GUS	Guide to the Use of Standards {SPAG}
Gv4l	Gnu Video FOR Linux
GVT	Global Virtual Time
GVU	Graphic Visualization and Usability lab
GWCC	Gnome Workstation Command Center
gwp	Gnome Word Processor
GXA	Global Xml services Architecture
GXL	
Gyach	Gtk+-based YAhoo CHat client
GZ	Gnu Zip
H&J	Hyphenation and Justification (desktop publishing)
H4H	Hackers FOR Hackers
H-FP	Host-Front end Protocol {US DOD}
H/PC	Handheld Personal Computer
HA	High Availability
HACL	Host Access Client Library
HACMP	High Availability Cluster MultiProcessing
HAD	HyperActive Directory
HAK	Hugs And Kisses {chat}
HAL	Hackers At Large (conference)
HAL	Hard Array Logic
HAL	Hardware Abstraction Layer
HAL	Human Activity Logger
HALO	
halog	Human Activity LOGger
HAND	Have A Nice Day {chat}
HAP	Host Access Protocol
hardmon	HARDware MONitor
HASP	Houston Automatic Spooling Priority
HAVAL	
HAWHAW	Html And Wml Hybrid Adapted Webserver
HBA	Host Bus Adapter
HBCI	HomeBanking Computer Interface
HBP	Hypertext Bibliography Project
hc	High Compiler {MetaWare}
HC	Human-Computer interface {CoRR}
HCB	Holy Cow, Batman! {chat}
HCC	Harry's Character Converter
HCC	Homebrew Computer Club
HCF	Halt, Catch Fire
HCI	Host Controller Interface
HCI	Human-Computer Interaction
HCI	Human-Computer Interface
HCL	Hardware Compatibility List
HCM	Habeas Compliant Message
HCM	Hardware Cryptographic Module
HCMT
HCR	Hkey_Classes_Root {Microsoft}
HCU	Hkey_Current_User {Microsoft}
HCU	Home Computer User
HD	Hard Disk
HD	High Density
HD-PLC	High Definition Power Line Communication {Panasonic}
HDBV	Host DataBase View
HDCD	High Definition Compatible Digital
HDCP	High-bandwidth Digital Content Protection
HDD	Hard Disk Drive
HDF	Hierarchical Data Format
HDI	Head to Disk Interference
HDI	Help Desk Institute
HDI	Hoops Device Interface
HDKTT	HDK Time Tracker
HDL	Hardware Description Language
HDLC	High-level Data Link Control
HDM	Hardware Device Module
HDML	Handheld Device Markup Language {Unwired Planet}
hdparm	Hard Drive PARaMeter
HDPS	Henson Digital Performance Studio {Jim Henson's Creature Shop}
HDSC	High Density Signal Carrier
HDSL	High rate Digital Subscriber Line
HDTV	High Definition TeleVision
hdup	Hard Drive backUP
HDVL	Hardware Design Verification Language
HDX	Half DupleX
HEDIC	Health Electronic Data Interchange Corporation
HEMP	High-level Entity Management Protocol {Stanford}
HEMS	High-level Entity Management System {Stanford}
HEPNet	High-Energy Physics NETwork
HESSLA	Hacktivismo's Enhanced-Source Software License Agreement
HFEP	Host Front End Protocol
HFS	Hierarchical File System {Apple}
HGA	Hercules Graphics Adapter
HGF	Harbour Gui Framework
HGCP	Hercules Graphics Card Plus
HGML	Hypertext General Markup Language
HHG	HitchHiker's Guide
HHGTTG	HitchHiker's Guide To The Galaxy
hhm	Html Help Maker
HHOJ	Ha Ha, Only Joking {chat}
HHOK	Ha Ha, Only Kidding {chat}
HHOS	Ha Ha, Only Serious {chat}
HIDS
HIFD	HIgh density Floppy Disk
HIG	Human Interface Guide {GNOME}
HIL	Human Interface Link
HIM	Hypertext, Information retrieval, Multimedia
HIMSS	Healthcare Information and Management Systems Society
HIPO	Hierarchy Input Process Output
HIPPI	HIgh-Performance Parallel Interface {ANSI}
HIROS	Hitachi Industrial Realtime Operating System {Hitachi}
HIS	Hospital Information System
HIS	Host Information Server {Microsoft}
HITAB	Hwg-Iwa Transition Advisory Board {HWG/IWA}
HITV	Hardware-independent Interactive TeleVision
HLA	High Level Assembly language
HLB	Hardware Load Balancing
HLCO	High Low Close Open
HLD	High Level Design
HLL	High Level Language
HLLAPI	High Level Language Application Programming Interface
HLM	Hkey_Local_Machine {Microsoft}
HLQ	High Level Qualifier
HLR	Home Location Register
HLS	Hue, Luminescence and Saturation
HLSD	High Level Software Design
HLUG	Houston Linux User Group (Texas)
HLUG	Huskers Linux User Group (Nebraska)
HLV	Hasta La Vista {chat}
HLVB	Hasta La Vista, Baby {chat}
HMA	High Memory Area {Microsoft}
HMA	Hub Management Architecture
HMAC	Hashed Message Authentication Code
HMD	Head-Mounted Device
HMD	Head-Mounted Display
HME	Height Map Editor
HML	Human Markup Language {OASIS}
HMOS	High density Metal Oxide Semiconductor
HMOS	High speed Metal Oxide Semiconductor
HMP	Host Monitoring Protocol {ARPA}
HN	Hungarian Notation
HOAP	Humanoid Open Access Platform (robotics)
HOL	High Order Language
HOLAP	Hybrid On Line Analytical Processing
HOOD	Hierarchical Object Oriented Design
HOOPS	Hierarchical Object Oriented Programming System
HOPE	Hackers On Planet Earth (computer security conference)
HOPP	Hird Of Php Parts
HORDE
HOSEF	Hawaii Open Source Education Foundation
HOTT	Hands On Technology Transfer (computer training company)
HP	Hewlett-Packard
HP	Home Page
HP-GL	Hewlett-Packard Graphics Language
HP-UX	Hewlett-Packard UniX {HP}
HPC	High Performance Computing
HPCC	High Performance Computing and Communications
HPCL	
HPCMP	High Performance Computing Modernization Program {US DoD}
HPCS	High Performance Computing Systems
HPCNG	High Performance Computing and Networking Group
HPDJ	Hewlett-Packard DeskJet {HP}
HPFS	High Performance File System {IBM}
HPG	Hewlett-Packard Graphics {HP}
HPGL	Hewlett-Packard Graphics Language {HP}
HPIB	Hewlett-Packard Interface Bus {HP}
HPLJ	Hewlett-Packard Laser Jet {HP}
HPLT	High Productivity Language/Tools
HPPA	Hewlett-Packard Precision Architecture {HP}
HPPA	HomePlug Powerline Alliance (networking)
HPR	High Performance Routing
HPR	Home Page Reader {IBM}
HPW	High Performance Workstation
HQR	High Quality Rendering
HR-XML	Human Resources eXtensible Markup Language
HREF	Hypertext REFerence
HRG	High Resolution Graphics
HRIS	Human Resource Information System
HRMS	Human Resource Management System
HRRC	Home Recording Rights Coalition
HS	High Speed
HSAC	High Speed Access Corporation
HSACD	Hybrid Super Audio Compact Disc
HSB	Hue, Saturation and Brightness
HSC	High Speed Channel
HSC	Html Sucks Completely (HTML editor)
HSCI	High-Speed Communications Interface
HSCSD	High Speed Circuit Switched Data
HSFTP	High Security File Transfer Protocol
HSI	High Speed Interface
HSI	Hue, Saturation and Intensity (graphics)
HSIK	How Should I Know? {chat}
HSL	Hue, Saturation and Lightness (graphics)
HSM	Hierarchical Storage Management
HSP	High Speed Printer
HSRP	Hot Standby Router Protocol {Cisco}
HSSF
HSSI	High-Speed Serial Interface
HST	High Speed Technology
HSV	Hue, Saturation and Value
HT	Holding Timer
HT	Horizontal Tab
HT	Hyper-Threading {Intel}
HT	HyperTransport
HTA	HyperText Applications {Microsoft}
HTB	Heavens To Betsy {chat}
HTC	HyperText Components {Microsoft}
HTCIA	High Tech Crime Investigation Association
HTE	Host Table Editor
HTFSIK	How The F*** Should I Know? {chat}
HTH	Hope This Helps {chat}
HTML	HyperText Markup Language
HTPC	Home Theater Personal Computer
HTTP	HyperText Transfer Protocol
HTTP-NG	HyperText Transfer Protocol Next Generation
HTTPD	HyperText Transfer Protocol Daemon
HTTPS	HyperText Transfer Protocol, Secure
HTTPS	HyperText Transfer Protocol Server
HUD	Heads-Up Display
HUGS	Haskell User's Gofer System
HULCC	High-Utility, Low-Cost Cabinet {Sun}
HumanML	Human Markup Language {OASIS}
HV	Hash Variable (perl)
HVC	Hue, Value, Chroma (graphics)
HVP	Horizontal/Vertical Position
HW	HardWare
HWCP	HardWare Code Page
HWDMS	Hazardous Waste Data Management System
HWG	Html Writers Guild
HZ	HanZi (data format)
I18N	InternationalizatioN (I followed by 18 letters then an N)
I2O	Intelligent Input/Output
I4L	Isdn FOR Linux
I&A	Identification and Authentication {IBM}
I-D	Internet-Draft
I-DEAS
I-IS-IS	Integrated Intermediate System to Intermediate System
I-PAC	Interface for Pc to Arcade Controls
I.C	Internet.Com
I/O	Input/Output
I/P	Integrated Package
IA	Information Architecture
IA	Intel Architecture {Intel}
IA	Intelligence Artificielle
IA	Intelligent Assistant
IA	Interchange Agreement
IA	Internet Appliance
IAAA	I Am An Accountant {chat}
IAAL	I Am A Lawyer {chat}
IAB	Interactive Advertising Bureau
IAB	Internet Activities Board
IAB	Internet Architecture Board
IAC	Inter-Application Communication
IACR	International Association for Cryptologic Research
IAE	In Any Event {chat}
IAFA	Internet Anonymous Ftp Archives
IAHC	International Ad-Hoc Committee
IAI	Industry Alliance for Interoperability
IAI	Internet Application Integration
IAIP	Information Analysis and Infrastructure Protection {US DHS}
IAK	Internet Access Kit
IAM	Index Allocation Map {Microsoft}
IANA	Internet Assigned Numbers Authority
IANAA	I Am Not An Accountant {chat}
IANAC	I Am Not A Cpa {chat}
IANAC	I Am Not A Crook {chat}
IANAL	I Am Not A Lawyer {chat}
IAP	Internet Access Provider
IAPX	Intel Advanced Processor architecture {Intel}
iAS	Internet Application Server {Oracle}
IAT	Import Access Table
IAT	Intelligent Agent Technology
IAYF	Information At Your Fingertips
IBC	Instrument Bus Computer
IBCS	Intel Binary Compatibility Specification {Intel}
IBGP	
IBM	International Business Machines
IBM-GL	International Business Machines Graphics Language
IBP	International Beacon Project
IBGP	
IBM	International Business Machines
IBM-GL	International Business Machines Graphics Language
IBP	International Beacon Project
IBTD	I Beg To Differ {chat}
IC	Integrated Circuit
IC	Interrupt Controller
ICA	Intelligent Communication Adapter
ICA	Intra-application Communications Area
ICAIL	International Conference on Artificial Intelligence and Law {ACM}
ICALP	International Conference on Automata, Languages and Programming
ICALT	International Conference on Advanced Learning Technologies
ICANN	Internet Corporation for Assigned Names and Numbers
ICAS	Intel Communicating Applications Specifications {Intel}
ICASE	Integrated Computer-Aided Software Environment
ICASE	International Council of Associations for Science Education
ICAT
ICB	Internet Citizen's Band
ICC	Internet Chess Club
ICC	Internet Content Coalition
ICCD	International Conference on Computer Design {IEEE}
ICCP	Institute for the Certification of Computing Professionals
ICCV	International Conference on Computer Vision
ICD	International Code Designator
ICDCS	International Conference on Distributed Computing Systems
ICDE	International Conference on Data Engineering {IEEE}
ICE	In-Circuit Emulator
ICE	Information and Content Exchange
ICE	Integrated Cooling Engine
ICE	Inter-Client Exchange protocol
ICE	Interface Controlled Environment
ICE	International Cryptography Experiment
ICE	Intrusion Countermeasure Electronics
ICF	Internet Connection Firewall {Microsoft}
ICFP	International Conference on Functional Programming
ICI	Image Component Information
ICI	International Cryptography Institute
Ick	Import ChecK
ICL	Input Command Language
ICL	International Computers Limited
ICLP	International Conference on Logic Programming
ICM	Image Color Matching
ICME	International Conference on Multimedia and Expo
ICMP	Internet Control Message Protocol
ICOMP	Intel COmparative MultiProcessor {Intel}
ICP	Initial Connection Protocol {NWG}
ICP	Integrated Channel Processor
ICP	Internet Cache Protocol
ICP	Internet Content Provider
ICP	Inventory Control Point
ICP	Island Computer Products
ICPLD	Internet Connection Performance Logging Daemon
ICPP	In