0-9

#! — Shebang

/. — Slashdot

1GL — First-Generation Programming Language

1NF — First Normal Form

10B2 — 10BASE-2

10B5 — 10BASE-5

10B-F — 10BASE-F

10B-FB — 10BASE-FB

10B-FL — 10BASE-FL

10B-FP — 10BASE-FP

10B-T — 10BASE-T

100B-FX — 100BASE-FX

100B-T — 100BASE-T

100B-TX — 100BASE-TX

100BVG — 100BASE-VG

286 — Intel 80286 processor

2B1Q — 2 Binary 1 Quaternary

2FA — Two-factor authentication

2GL — Second-Generation Programming Language

2NF — Second Normal Form

3GL — Third-Generation Programming Language

3GPP — 3rd Generation Partnership Project—’3G comms

3GPP2 — 3rd Generation Partnership Project 2

3NF — Third Normal Form

386 — Intel 80386 processor

486 — Intel 80486 processor

4B5BLF — 4 Byte 5 Byte Local Fiber

4GL — Fourth-Generation Programming Language

4NF — Fourth Normal Form

5GL — Fifth-Generation Programming Language

5NF — Fifth Normal Form

6NF — Sixth Normal Form

8B10BLF — 8 Byte 10 Byte Local Fiber

802.11 — Wireless LAN

A

AAA – Authentication Authorization, Accounting

AABB – Axis Aligned Bounding Box

AAC – Advanced Audio Coding

AAL – ATM Adaptation Layer

AALC – ATM Adaptation Layer Connection

AARP – AppleTalk Address Resolution Protocol

ABAC – Attribute – Based Access Control

ABCL – Actor – Based Concurrent Language

ABI – Application Binary Interface

ABM – Asynchronous Balanced Mode

ABR – Area Border Router

ABR – Auto Baud – Rate detection

ABR – Available Bitrate

ABR – Average Bitrate

AC – Acoustic Coupler

AC – Alternating Current

ACD – Automatic Call Distributor

ACE – Advanced Computing Environment

ACID – Atomicity Consistency Isolation Durability

ACK – Acknowledgement

ACK – Amsterdam Compiler Kit

ACL – Access Control List

ACL – Active Current Loop

ACM – Association for Computing Machinery

ACME – Automated Classification of Medical Entities

ACP – Airline Control Program

ACPI – Advanced Configuration and Power Interface

ACR – Allowed Cell Rate

ACR – Attenuation to Crosstalk Ratio

AD – Active Directory

AD – Administrative Domain

ADAL – Active Directory Authentication Library

ADB – Apple Desktop Bus

ADC – Analog – to – Digital Converter

ADC – Apple Display Connector

ADCCP – Advanced Data Communications Control Procedures

ADO – ActiveX Data Objects

ADSL – Asymmetric Digital Subscriber Line

ADT – Abstract Data Type

AE – Adaptive Equalizer

AES – Advanced Encryption Standard

AF – Anisotropic Filtering

AFP – Apple Filing Protocol

AGP – Accelerated Graphics Port

AH – Active Hub

AI – Artificial Intelligence

AIX – Advanced Interactive eXecutive

Ajax – Asynchronous JavaScript and XML

AL – Access List

AL – Active Link

ALAC – Apple Lossless Audio Codec

ALGOL – Algorithmic Language

ALSA – Advanced Linux Sound Architecture

ALU – Arithmetic and Logical Unit

AM – Access Method

AM – Active Matrix

AM – Active Monitor

AM – Allied Mastercomputer

AM – Amplitude Modulation

AMD – Advanced Micro Devices

AMOLED – Active – Matrix Organic Light – Emitting Diode

AMQP – Advanced Message Queuing Protocol

AMR – Audio Modem Riser

ANN – Artificial Neural Network

ANSI – American National Standards Institute

ANT – Another Neat Tool

AoE – ATA over Ethernet

AOP – Aspect – Oriented Programming

APCI – Application – Layer Protocol Control Information

API – Application Programming Interface

APIC – Advanced Programmable Interrupt Controller

APIPA – Automatic Private IP Addressing

APL – A Programming Language

APR – Apache Portable Runtime

ARC – Adaptive Replacement Cache

ARC – Advanced RISC Computing

ARIN – American Registry for Internet Numbers

ARM – Advanced RISC Machines

AROS – AROS Research Operating System

ARP – Address Resolution Protocol

ARPA – Address and Routing Parameter Area

ARPA – Advanced Research Projects Agency

ARPANET – Advanced Research Projects Agency Network

AS – Access Server

ASCII – American Standard Code for Information Interchange

ASET – Automated Security Enhancement Tool

ASG – Abstract Semantic Graph

ASIC – Application – Specific Integrated Circuit

ASIMO – Advanced Step in Innovative Mobility

ASLR – Address Space Layout Randomization

ASM – Algorithmic State Machine

ASMP – Asymmetric Multiprocessing

ASN.1 – Abstract Syntax Notation 1

ASP – Active Server Pages

ASP – Application Service Provider

ASR – Asynchronous Signal Routine

AST – Abstract Syntax Tree

AT – Access Time

AT – Active Terminator

AT – Advanced Technology

ATA – Advanced Technology Attachment

ATAG – Authoring Tool Accessibility Guidelines

ATAPI – Advanced Technology Attachment Packet Interface

ATM – Asynchronous Transfer Mode

AuthIP – Authenticated Internet Protocol

AuthN – Authentication

AuthZ – Authorization

AV – Antivirus

AVC – Advanced Video Coding

AVI – Audio Video Interleaved

AWFL – Acronym With Four Letters

AWK – Aho Weinberger Kernighan

AWT – Abstract Window Toolkit

B

B2B – Business – to – Business

B2C – Business – to – Consumer

B2E – Business – to – Employee

BAL – Basic Assembly Language

BAM – Block Availability Map

Bash – Bourne – again shell

BASIC – Beginner’s All – Purpose Symbolic Instruction Code

BBP – Baseband Processor

BBS – Bulletin Board System

BC – Business Continuity

BCD – Binary Coded Decimal

BCD – Boot Configuration Data

BCNF – Boyce–Codd normal form

BEEP – Blocks Extensible Exchange Protocol

BER – Bit Error Rate

BFD – Bidirectional Forwarding Detection

BFD – Binary File Descriptor

BFS – Breadth – First Search

BFT – Byzantine Fault Tolerant

BGP – Border Gateway Protocol

BI – Business Intelligence

BINAC – Binary Automatic Computer

BIND – Berkeley Internet Name Domain

BIOS – Basic Input Output System

BiDi – Bi – Directional

bin – binary

bit – binary digit

BJT – Bipolar Junction Transistor

Blob – Binary large object

Blog – Web Log

BMP – Basic Multilingual Plane

BNC – Baby Neill Constant

BOINC – Berkeley Open Infrastructure for Network Computing

BOM – Byte Order Mark

BOOTP – Bootstrap Protocol

BPDU – Bridge Protocol Data Unit

BPEL – Business Process Execution Language

BPL – Broadband over Power Lines

BPM – Business Process Management

BPM – Business Process Modeling

bps – bits per second

BRM – Business Reference Model

BRMS – Business Rule Management System

BRR – Business Readiness Rating

BRS – Broadband Radio Service

BSA – Business Software Alliance

BSB – Backside Bus

BSD – Berkeley Software Distribution

BSoD – Blue Screen of Death

BSS – Basic service set (Wi-Fi)

BSS – Block Started by Symbol

B TAM – Basic Telecommunications Access Method

BT – BitTorrent

BT – Bluetooth

BW – Bandwidth

BYOD – Bring Your Own Device

Byte – By eight (group of 8 bits)

C

CA – Computer Accountancy

CAD – Computer – Aided Design

CAE – Computer – Aided Engineering

CAI – Computer – Aided Instruction

CAID – Computer – Aided Industrial Design

CAM – Computer – Aided Manufacturing

CAPTCHA – Completely Automated Public Turing Test to tell Computers and Humans Apart

CAQ – Computer – Aided Quality Assurance

CASE – Computer – Aided Software Engineering

CAT – Category (e.g. CAT-5 cable)

CAT – Computer – Aided Translation

cc – C Compiler

CD – Compact Disc

CD – R – CD – Recordable

CD – ROM – CD Read – Only Memory

CD – RW – CD – Rewritable

CDE – Common Desktop Environment

CDFS – Compact Disk File System

CDMA – Code Division Multiple Access

CDN – Content Delivery Network

CDP – Cisco Discovery Protocol

CDP – Continuous Data Protection

CDSA – Common Data Security Architecture

CERT – Computer Emergency Response Team

CES – Consumer Electronics Show

CF – Compact Flash

CFD – Computational Fluid Dynamics

CFG – Context – Free Grammar

CFG – Control Flow Graph

CG – Computer Graphics

CGA – Color Graphics Array

CGI – Common Gateway Interface

CGI – Computer – Generated Imagery

CGT – Computational Graph Theory

CHAP – Challenge – Handshake Authentication Protocol

CHS – Cylinder – Head – Sector

CIDR – Classless Inter – Domain Routing

CIFS – Common Internet Filesystem

CIM – Common Information Model

CIM – Computationally Independent Model

CIO – Chief Information Officer

CIR – Committed information rate

CISC – Complex Instruction Set Computer

CJK – Chinese, Japanese, and Korean

CJKV – Chinese, Japanese, Korean, and Vietnamese

CLI – Command Line Interface

CLI – Command line interpreter

CLR – Common Language Runtime

CM – Configuration Management

CM – Content Management

CMDB – Configuration Management Database

CMMI – Capability Maturity Model Integration

CMO – Current Mode of Operation

CMOS – Complementary Metal – Oxide Semiconductor

CMS – Content Management System

CN – Canonical Name

CN – Common Name

CNC – Computer Numerical Control

CNG – Cryptographic Next Generation

CNR – Communications and Networking Riser

COBOL – Common Business – Oriented Language

COM – Component Object Model or communication

CVS – Concurrent Versions System – Concurrent Versioning System|CVS

CORBA – Common Object Request Broker Architecture

COTS – Commercial Off – The – Shelf

CP/M – Control Program/Monitor

CPA – Cell Processor Architecture

CPAN – Comprehensive Perl Archive Network

CPE – Customer premises equipment

CPRI – Common Public Radio Interface

CPS – characters per second

CPU – Central Processing Unit

CR – Carriage Return

CRAN – Comprehensive R Archive Network

CRC – Cyclic Redundancy Check

CRLF – Carriage Return Line Feeds

CRM – Customer Relationship Management

CRS – Computer Reservations System

CRT – Cathode Ray Tube

CRUD – Create, Read, Update and Delete

CS – Cable Select

CS – Computer Science

CSE – Computer Science and Engineering

CSI – Common System Interface

CSM – Compatibility Support Module

CSMA/CA – Carrier sense multiple access / collision avoidance

CSMA/CD – Carrier sense multiple access / collision detection

CSP – Cloud Service Provider

CSP – Communicating Sequential Processes

CSRF – Cross – Site Request Forgery

CSS – Cascading Style Sheets

CSS – Closed Source Software

CSS – Content – Scrambling System

CSS – Cross – Site Scripting

CSU/DSU – Channel service unit / data service unit

CSV – Comma – Separated Values

CT – Computerized Tomography

CTAN – Comprehensive TeX Archive Network

CTCP – Client – To – Client Protocol

CTFE – Compile Time Function Execution

CTI – Computer Telephony Integration

CTL – Computational Tree Logic

CTM – Close To Metal

CTS – Clear To Send

CTSS – Compatible Time – Sharing System

CUA – Common User Access

CVS – Concurrent Versioning System

CX – Customer Experience

D

DAC – Digital – To – Analog Converter

DAC – Discretionary Access Control

DAL – Database Abstraction Layer

DAM – Database activity monitoring

DAM – Digital asset management

DAO – Data Access Object

DAO – Disk – At – Once

DAP – Directory Access Protocol

DAR – Direct Access Recovery

DARPA – Defense Advanced Research Projects Agency

DAS –  Direct Attached Storage

DAT – Digital Audio Tape

DB – Database

DBA – Database Administrator

DBCS – Double Byte Character Set

DBMS – Database Management System

DCC – Direct Client – to – Client

DCCA – Debian Common Core Alliance

DCCP – Datagram Congestion Control Protocol

DCE – Data communications equipment

DCL – Data Control Language

DCMI – Dublin Core Metadata Initiative

DCOM – Distributed Component Object Model

DCS – Distributed Control System

DD – Double Density

DDE – Dynamic Data Exchange

DDI – DNS DHCP & IP Address management

DDL – Data Definition Language

DDoS – Distributed Denial of Service

DDR – Double Data Rate

DEC – Digital Equipment Corporation

DES – Data Encryption Standard

dev – development

DFA – Deterministic Finite Automaton

DFD – Data Flow Diagram

DFS – Depth – First Search

DFS – Distributed File System

DGD – Dworkin’s Game Driver

DHCP – Dynamic Host Configuration Protocol

DHTML – Dynamic Hypertext Markup Language

DIF – Data Integrity Field

DIMM – Dual Inline Memory Module

DIN – Deutsches Institut für Normung

DIP – Dual In – line Package

DISM – Deployment Image and Service Management Tool

DIVX – Digital Video Express

DKIM – Domain Keys Identified Mail

DL – Download

DLL – Dynamic Link Library

DLNA – Digital Living Network Alliance

DLP – Data loss protection

DMA – Direct Memory Access

DMCA – Digital Millennium Copyright Act

DMI – Direct Media Interface

DMI – Desktop Management Interface

DML – Data Manipulation Language

DML – Definitive Media Library

DMR – Dennis M. Ritchie

DMZ – Demilitarized Zone

DN – Distinguished Name

DND – Drag – and – Drop

DNS – Domain Name System

DOA – Dead on Arrival

DOCSIS – Data Over Cable Service Interface Specification

DOM – Document Object Model

DoS – Denial of Service

DOS – Disk Operating System

DP – Dot Pitch

DPC – Deferred Procedure Call

DPI – Deep Packet Inspection

DPI – Dots Per Inch

DPMI – DOS Protected Mode Interface

DPMS – Display Power Management Signaling

DR – Disaster Recovery

DR-DOS – Digital Research  –  Disk Operating System

DRAM – Dynamic Random – Access Memory

DRI – Direct Rendering Infrastructure

DRM – Digital Rights Management

DRM – Direct Rendering Manager

DSA – Digital Signature Algorithm

DSDL – Document Schema Definition Languages

DSDM – Dynamic Systems Development Method

DSKT – Desktop

DSL – Digital Subscriber Line

DSL – Domain – Specific Language

DSLAM – Digital Subscriber Line Access Multiplexer

DSN – Data Set Name

DSN – Database Source Name

DSP – Digital Signal Processor

DSSSL – Document Style Semantics and Specification Language

DTD – Document Type Definition

DTE – Data Terminal Equipment or data transfer rate

DTE – Data Terminal Equipment

DTP – Desktop Publishing

DTR – Data Terminal Ready or Data transfer rate

DVD – Digital Versatile Disc

DVD-R – DVD-Recordable

DVD-ROM – DVD-Read Only Memory

DVD-RW – DVD-Rewritable

DVI – Digital Visual Interface

DVR – Digital Video Recorder

DW – Data Warehouse

E

EAI – Enterprise Application Integration

EAP – Extensible Authentication Protocol

EAS – Exchange ActiveSync

EBCDIC – Extended Binary Coded Decimal Interchange Code

EBML – Extensible Binary Meta Language

ECC – Elliptic Curve Cryptography

ECMA – European Computer Manufacturers Association

ECN – Explicit Congestion Notification

ECOS – Embedded Configurable Operating System

ECRS – Expense and Cost Recovery System

EDA – Electronic Design Automation

EDGE –  Enhanced Data rates for GSM Evolution

EDI – Electronic Data Interchange

EDO – Extended Data Out

EDSAC – Electronic Delay Storage Automatic Calculator

EDVAC – Electronic Discrete Variable Automatic Computer

EEPROM – Electronically Erasable Programmable Read – Only Memory

EFF – Electronic Frontier Foundation

EFI – Extensible Firmware Interface

EFM – Eight – to – Fourteen Modulation

EFM – Ethernet in the First Mile

EFS – Encrypting File System

EGA – Enhanced Graphics Array

EGP – Exterior Gateway Protocol

EHA – Ethernet Hardware Address (MAC address)

EIA – Electronics Industry Alliance

eID – electronic ID card

EIDE – Enhanced IDE

EIGRP – Enhanced Interior Gateway Routing Protocol

EISA – Extended Industry Standard Architecture

ELF – Executable and Linkable Format

ELF – Extremely Low Frequency

ELM – ELectronic Mail

EMACS – Editor MACroS

E-mail – Electronic mail

EMS – Expanded Memory Specification

ENIAC – Electronic Numerical Integrator And Computer

EOD – End of Day

EOF – End of File

EOF – End Of Frame

EOL – End of Life

EOL – End of Line

EOM – End Of Message

EOS – End of Support

EPIC – Explicitly Parallel Instruction Computing

EPROM – Erasable Programmable Read – Only Memory

ERD – Entity – Relationship Diagram

ERM – Entity – Relationship Model

ERP – Enterprise Resource Planning

eSATA – external SATA

ESB – Enterprise service bus

ESCON – Enterprise Systems Connection

ESD – Electrostatic Discharge

ESI – Electronically Stored Information

ESR – Eric Steven Raymond

ESS – Extended service set (Wi-Fi group)

ETA – Estimated Time of Arrival

ETL – Extract, Transform, Load

ETW – Event Tracing for Windows

EUC – Extended Unix Code

EULA – End User License Agreement

EWM – Enterprise Work Management

EWMH – Extended Window Manager Hints

EXT – EXTended file system

F

FAP – FORTRAN Assembly Program

FAQ – Frequently Asked Questions

FASM – Flat ASseMbler

FAT – File Allocation Table

FBDIMM – Fully Buffered Dual Inline Memory Module

FC – AL – Fibre Channel Arbitrated Loop

FCB – File Control Block

FCC – Federal Communications Commission

FCS – Frame Check Sequence

FCS – Frame check sequence (Ethernet)

FDC – Floppy Disk Controller

FDD – Floppy Disk Drive

FDD – Frequency – Division Duplexing

FDDI – Fiber Distributed Data Interface

FDM – Frequency – Division Multiplexing

FDMA – Frequency – Division Multiple Access

FDS – Fedora Directory Server

FEC – Forward Error Correction

FEMB – Front – End Motherboard

FET – Field Effect Transistor

FHS – Filesystem Hierarchy Standard

FICON – FIber CONnectivity

FIFO – First In First Out

FIPS – Federal Information Processing Standards

FL – Function Level

FLAC – Free Lossless Audio Codec

FLOPS – FLoating – Point Operations Per Second

FLOSS – Free/Libre/Open Source Software

FMC –  Fixed Mobile Convergence “Mobile UC or Unified Communications over Wireless”

FMO – Future Mode of Operation

FOLDOC – Free On – line Dictionary of Computing

FOSDEM – Free and Open source Software Developers’ European Meeting

FOSI – Formatted Output Specification Instance

FOSS – Free and Open Source Software

FP – Function Programming

FPGA – Field Programmable Gate Array

FPS – Floating Point Systems

FPU – Floating Point Unit

FQDN – Fully Qualified Domain Name

FRU – Field Replaceable Unit

FS – File System

FSB – Front Side Bus

fsck – File System Check

FSF – Free Software Foundation

FSM – Finite State Machine

FTP – File Transfer Protocol

FTP – File Transfer Protocol

FTTA – Fiber To The Antenna

FTTC – Fiber To The Curb

FTTH – Fiber To The Home

FTTP – Fiber To The Premises

FUD – Fear Uncertainty Doubt

FVEK – Full Volume Encryption Key

FWS – Folding White Space

FXP – File eXchange Protocol

FYI – For Your Information

G

G11N – Globalization

Gas – GNU Assembler

Gb – Gigabit

GB – Gigabyte

GBIC – Gigabit interface converter

Gbps – Gigabit per second

GCC – GNU Compiler Collection

GCJ – GNU Compiler for Java

GCR – Group Coded Recording

GDB – GNU Debugger

GDI – Graphics Device Interface

GEPOF – Gigabit Ethernet (over) Plastic Optical Fiber

GERAN – GSM EDGE Radio Access Network

GFDL – GNU Free Documentation License

GIF – Graphics Interchange Format

GIGO – Garbage In, Garbage Out

GIMP – GNU Image Manipulation Program

GIMPS – Great Internet Mersenne Prime Search

GIS – Geographic Information System

GLUT – OpenGL Utility Toolkit

GML – Geography Markup Language

GNOME – GNU Network Object Model Environment

GNU – GNU’s Not Unix

GOMS – Goals, Operators, Methods, and Selection rules

GPASM – GNU PIC ASseMbler

GPFS – General Parallel File System

GPG – GNU Privacy Guard

GPGPU – General – Purpose Computing on Graphics Processing Units

GPIB – General – Purpose Instrumentation Bus

GPL – General – Purpose Language

GPL – General Public License

GPRS – General Packet Radio Service

GPT – GUID Partition Table

GPU – Graphics Processing Unit

GRUB – Grand Unified Boot – Loader

GSM – Global System for Mobile Communications

GTK+ – GIMP Toolkit

GUI – Graphical User Interface

GUID – Globally Unique IDentifier

GWT – Google Web Toolkit

GYR – IT Networking

H

HA – High Availability

HAL – Hardware Abstraction Layer

HARD – HTML Application Rapid Development

HASP – Houston Automatic Spooling Priority

HBA – Host Bus Adapter

HCI – Human Computer Interaction

HCL – Hardware Compatibility List

HD – High Density

HD DVD – High Definition DVD

HDD – Hard Disk Drive

HDL – Hardware Description Language

HDLC – High-level Data Link Control

HDMI – High – Definition Multimedia Interface

HECI – Host Embedded Controller Interface

HF – High Frequency

HFS – Hierarchical File System

HHD – Hybrid Hard Drive

HID – Human Interface Device

HIG – Human Interface Guidelines

HIRD – Hurd of Interfaces Representing Depth

HLASM – High Level ASseMbler

HLS – HTTP Live Streaming

HMA – High Memory Area

HP – Hewlett – Packard

HPC – High – Performance Computing

HPFS – High Performance File System

HSDPA – High – Speed Downlink Packet Access

HSM – Hierarchical Storage Management

HT – Hyper Threading

HTC – High – Throughput Computing

HTM – Hierarchical Temporal Memory

HTML – Hypertext Markup Language

HTTP – Hypertext Transfer Protocol

HTTP – HyperText Transfer Protocol

HTTPd – Hypertext Transport Protocol Daemon

HTTPS – HyperText Transfer Protocol Secure

HTX – HyperTransport eXpansion

HURD – Hird of Unix – Replacing Daemons

HVD – Holographic Versatile Disc

Hz – Hertz

I

I/O – Input/output

I18N – Internationalization

I²C – Inter – Integrated Circuit

I²S – Integrated Interchip Sound

IaaS – Infrastructure as a Service

IANA – Internet Assigned Numbers Authority

IBM – International Business Machines

IC – Integrated Circuit

ICaaS – Integration Capability as a Service

ICANN – Internet Corporation for Assigned Names and Numbers

ICE – In – Circuit Emulator

ICE – Intrusion Countermeasure Electronics

ICH – I/O Controller Hub

ICMP – Internet Control Message Protocol

ICP – Internet Cache Protocol

ICS – Internet Connection Sharing

ICT – Information and Communication Technology

IDE – Integrated Development Environment

IDE – Integrated Drive Electronics

IDF – Intermediate Data Format

IDF – Intermediate Distribution Frame

IDL – Interactive Data Language

IDL – Interface Definition Language

IDS – Intrusion Detection System

IE – Internet Explorer

IEC – International Electrotechnical Commission

IEEE – Institute of Electrical and Electronics Engineers

IETF – Internet Engineering Task Force

IFGICT – International Federation of Global & Green ICT

IFL – Integrated Facility for Linux

IGMP – Internet Group Management Protocol

IGRP – Interior Gateway Routing Protocol

IHV – Independent Hardware Vendor

IIOP – Internet Inter – Orb Protocol

IIS – Internet Information Services

IKE – Internet Key Exchange

IL – Intermediate Language

IM – Instant Messaging

IMAP – Internet Message Access Protocol

IME – Input Method Editor

IMR – Internet Monthly Report

INFOSEC – Information Systems Security

IoT – Internet of Things

IP – Intellectual Property

IP – Internet Protocol

IPAM – IP Address Management

IPC – Inter – Process Communication

IPL – Initial Program Load

IPMI – Intelligent Platform Management Interface

IPO – Inter Procedural Optimization

IPP – Internet Printing Protocol

IPS – In-Plane Switching

IPS – Instructions Per Second

IPS – Intrusion Prevention System

IPsec – Internet Protocol security

IPTV – Internet Protocol Television

IPv4 – Internet Protocol version 4

IPv6 – Internet Protocol version 6

IPX – Internetwork Packet Exchange

IR – Intermediate Representation

IRC – Internet Relay Chat

IrDA – Infrared Data Association

IRI – Internationalized Resource Identifier

IRP – I/O Request Packet

IRQ – Interrupt Request

IS – Information Systems

IS – IS – Intermediate System to Intermediate System

ISA – Industry Standard Architecture

ISA – Instruction Set Architecture

ISAM – Indexed Sequential Access Method

ISATAP – Intra – Site Automatic Tunnel Addressing Protocol

ISC – Internet Storm Center

ISDN – Integrated Services Digital Network

IS-IS – Intermediate System to Intermediate System

ISO – International Organization for Standardization

ISP – Internet Service Provider

ISPF – Interactive System Productivity Facility

ISR – Interrupt Service Routine

ISV – Independent Software Vendor

IT – Information Technology

ITIL – Information Technology Infrastructure Library

ITL – Interval Temporal Logic

ITU – International Telecommunication Union

ITU-T – International Telecommunications Union

IVCR – Interactive Virtual Classroom

IVRS – Interactive Voice Response System

iBCS – Intel Binary Compatibility Standard

iSCSI – Internet Small Computer System Interface

iSNS – Internet Storage Name Service

J

J2EE – Java 2 Enterprise Edition

J2ME – Java 2 Micro Edition

J2SE – Java 2 Standard Edition

JAX – RPC – Java XML for Remote Procedure Calls

JAXB – Java Architecture for XML Binding

JAXP – Java API for XML Processing

JBOD – Just a Bunch of Disks

JCE –  Java Cryptography Extension

JCL – Job Control Language

JCP – Java Community Process

JDBC – Java Database Connectivity

JDK – Java Development Kit

JDS – Java Desktop System

JEE – Java Enterprise Edition

JES – Job Entry Subsystem

JFC – Java Foundation Classes

JFET – Junction Field – Effect Transistor

JFS – IBM Journaling File System

JINI – Jini Is Not Initials

JIT – Just – In – Time

JME – Java Micro Edition

JMS – Java Message Service

JMX – Java Management Extensions

JNDI – Java Naming and Directory Interface

JNI – Java Native Interface

JNZ – Jump non – zero

JPEG – Joint Photographic Experts Group

JRE – Java Runtime Environment

JS – JavaScript

JSE – Java Standard Edition

JSON – JavaScript Object Notation

JSP – Jackson Structured Programming

JSP – JavaServer Pages

JTAG – Joint Test Action Group

JUG – Java Users Group

JVM – Java Virtual Machine

K

K&R – Kernighan and Ritchie

KB – Keyboard

Kb – Kilobit

KB – Kilobyte

KB – Knowledge Base

Kbps – Kilobit per second

KDE – K Desktop Environment

kHz – Kilohertz

KiB – Kibibyte

KM – Knowledge Machine

KRL – Knowledge Representation Language

KVM – Keyboard, Video, Mouse

L

L10N – Localization

L2TP – Layer two Tunneling Protocol

LACP – Link Aggregation Control Protocol

LACP – Link Aggregation Control Protocol

LAMP – Linux Apache MySQL Perl

LAMP – Linux Apache MySQL PHP

LAMP – Linux Apache MySQL Python

LAN – Local Area Network

LAPB – Link Access Procedure, Balanced

LAPF – Link-access procedure for frame relay

LB – Load Balancer

LBA – Logical Block Addressing

LCD – Liquid Crystal Display

LCOS – Liquid Crystal On Silicon

LCR – Least Cost Routing

LDAP – Lightweight Directory Access Protocol

LE – Logical Extents

LED – Light – Emitting Diode

LF – Line Feed

LF – Low Frequency

LFS – Linux From Scratch

LGA – Land Grid Array

LGPL – Lesser General Public License

LIB – LIBrary

LIF – Low Insertion Force

LIFO – Last In First Out

LILO – Linux Loader

LIP – Loop Initialization Primitive

LISP – LISt Processing

LKML – Linux Kernel Mailing List

LLC – Logical link control

LM – Lan Manager

LOC – Lines of Code

LPC – Lars Pensjö C

LPI – Linux Professional Institute

LPT –  Line Print Terminal

LRU – Least Recently Used

LSB – Least Significant Bit

LSB – Linux Standard Base

LSI – Large – Scale Integration

LTE – Long Term Evolution

LTL – Linear Temporal Logic

LTR – Left-to-Right

LUG – Linux User Group

LUN – Logical Unit Number

LV – Logical Volume

LVD – Low Voltage Differential

LVM – Logical Volume Management

LZW – Lempel – Ziv – Welch

M

MAC – Mandatory Access

MAC – Media Access Control

MAM – Media access management

MAN – Metropolitan Area Network

MANET – Mobile Ad – Hoc Network

MAPI – Messaging Application Programming Interface

Mb – Megabit

MB – Megabyte

MBCS – Multi Byte Character Set

MBD – Model – Based Design

Mbps – Megabits per second

MBR – Master Boot Record

MC – Multiple Choice

MCA – Micro Channel Architecture

MCA – Microsoft Certified Architect

MCAD – Microsoft Certified Application Developer

MCAS – Microsoft Certified Application Specialist

MCDBA – Microsoft Certified DataBase Administrator

MCDST – Microsoft Certified Desktop Support Technician

MCITP – Microsoft Certified Information Technology Professional

MCM – Microsoft Certified Master

MCP – Microsoft Certified Professional

MCPC – Multiple Channels Per Carrier

MCPD – Microsoft Certified Professional Developer

MCSA – Microsoft Certified Systems Administrator

MCSD – Microsoft Certified Solution Developer

MCSE – Microsoft Certified Systems Engineer

MCT – Microsoft Certified Trainer

MCTS – Microsoft Certified Technology Specialist

MDA – Mail Delivery Agent

MDA – Model – Driven Architecture

MDA – Monochrome Display Adapter

MDD/MDSD – Model – Driven (Software) Development

MDF – Main Distribution Frame

MDI – Multiple Document Interface

ME – [Windows] Millennium Edition

ME – Microsoft Edge

MF – Medium Frequency

MFA – Multi-Factor Authentication

MFC – Microsoft Foundation Classes

MFM – Modified Frequency Modulation

MGCP – Media Gateway Control Protocol

MHz – Megahertz

MIB – Management Information Base

MICR – Magnetic Ink Character Recognition

MIDI – Musical Instrument Digital Interface

MIMD – Multiple Instruction, Multiple Data

MIME – Multipurpose Internet Mail Extensions

MIMO – Multiple – Input Multiple – Output

MINIX – MIni – uNIX

MIPS – Microprocessor without Interlocked Pipeline Stages

MIPS – Million Instructions Per Second

MIS – Management Information Systems

MISD – Multiple Instruction, Single Data

MIT – Massachusetts Institute of Technology

MMC –  Microsoft Management Console

MMDS – Mortality Medical Data System

MMDS – Multichannel Multipoint Distribution Service

MMF – Multi – Mode (optical) Fiber

MMI – Man Machine Interface.

MMIO – Memory – Mapped I/O

MMORPG – Massively Multiplayer Online Role – Playing Game

MMU – Memory Management Unit

MMX – Multi – Media Extensions

MNG – Multiple – image Network Graphics

MoBo – Motherboard

MoCA – Multimedia over Coax Alliance

MOM – Message – Oriented Middleware

MOO – MUD Object Oriented

MOP – Meta – Object Protocol

MOS – Microsoft Office Specialist

MOSFET – Metal – Oxide Semiconductor Field Effect Transistor

MOTD – Message Of The Day

MOUS – Microsoft Office User Specialist

MOV – Apple QuickTime Multimedia File

MPAA – Motion Picture Association of America

MPEG – Motion Pictures Experts Group

MPL – Mozilla Public License

MPLS – Multiprotocol Label Switching

MPLS – Multiprotocol Label Switching

MPU – Microprocessor Unit

MS-DOS – Microsoft DOS

MS – Memory Stick

MS – Microsoft

MSA – Mail Submission Agent

MSB – Most Significant Bit

MSDN – Microsoft Developer Network

MSI – Medium – Scale Integration

MSI – Message Signaled Interrupt

MSI – Microsoft Installer

MSN – Microsoft Network

MT – Machine Translation

MTA – Mail Transfer Agent

MTA – Microsoft Technology Associate

MTBF – Mean Time Between Failures

MTU – Maximum Transmission Unit

MU – Memory Unit

MUA – Mail User Agent

MUD – Multi – User Dungeon

MVC – Model – View – Controller

MVP – Most Valuable Professional

MVS – Multiple Virtual Storage

MWC – Mobile World Congress

MX – Mail Exchange

MXF – Material Exchange Format

N

NAC – Network access control

NACK – Negative ACKnowledgement

NAK – Negative AcKnowledge Character

NaN – Not a Number

NAP – Network Access Protection

NAS – Network – Attached Storage

NASM – Netwide ASseMbler

NAT – Network Address Translation

NAT – Network Address Translation

NBMA – Non-Broadcast Multiple Access

NCP – NetWare Core Protocol

NCQ – Native Command Queuing

NCSA – National Center for Supercomputing Applications

NDIS – Network Driver Interface Specification

NDPS – Novell Distributed Print Services

NDS – Novell Directory Services

NEP – Network Equipment Provider

NetBIOS – Network Basic Input/Output System

NetBT – NetBIOS over TCP/IP

NEXT – Near – End CrossTalk

NFA – Nondeterministic Finite Automaton

NFC – Near field communication

NFS – Network File System

NGL – aNGeL

NGSCB – Next – Generation Secure Computing Base

NI – National Instruments

NIC – Network Interface Controller

NIC – Network Interface Card

NIM – No Internal Message

NIO – Non – blocking I/O

NIST – National Institute of Standards and Technology

NLP – Natural Language Processing

NLS – Native Language Support

NMI – Non – Maskable Interrupt

NNTP – Network News Transfer Protocol

NOC – Network Operations Center

NOP – No OPeration

NOS – Network Operating System

NP – Nondeterministic Polynomial time

NPL – Netscape Public License

NPTL – Native POSIX Thread Library

NPU – Network Processing Unit

NRZ – Non-return-to-zero

NRZI – Non-return to zero inverted

NS – Netscape

NSA – Network Security Appliance

NSI – Network Service Interface

NSPR – Netscape Portable Runtime

NSS – Name Service Switch

NSS – Network Security Services

NSS – Novell Storage Service

NT – New Technology

NTFS – NT Filesystem

NTLM – NT Lan Manager

NTP – Network Time Protocol

NUMA – Non – Uniform Memory Access

NURBS – Non – Uniform Rational B – Spline

NVR – Network Video Recorder

NVRAM – Non – Volatile Random Access Memory

O

OASIS – Organization for the Advancement of Structured Information Standards

OAT – Operational Acceptance Testing

OBSAI – Open Base Station Architecture Initiative

ODBC – Open Database Connectivity

OEM – Original Equipment Manufacturer

OES – Open Enterprise Server

OFDM – Orthogonal Frequency Division Multiplexing

OFTC – Open and Free Technology Community

OID – Object Identifier

OLAP – Online Analytical Processing

OLE – Object Linking and Embedding

OLED – Organic Light Emitting Diode

OLPC – One Laptop per Child

OLTP – Online Transaction Processing

OMF – Object Module Format

OMG – Object Management Group

OMR – Optical Mark Reader

OO – Object-Oriented

OO – OpenOffice

OOE – Out-of-Order Execution

OOM – Out Of Memory

OOo – OpenOffice.org

OoOE – Out-of-Order Execution

OOP – Object – Oriented Programming

OOTB – Out of the box

OPML – Outline Processor Markup Language

ORB – Object Request Broker

ORM – Object – Relational Mapping

OS – Open Source

OS – Operating System

OSCON – O’Reilly Open Source CONvention

OSDN – Open Source Development Network

OSI – Open Source Initiative

OSI – Open Systems Interconnection

OSI – Open System Interconnect (joint ISO and ITU standard)

OSPF – Open Shortest Path First

OSS – Open-Source Software

OSS – Open Sound System

OSS – Operations Support System

OSTG – Open Source Technology Group

OUI – Organization Unique Identifier

P

P2P – Peer-To-Peer

PaaS – Platform as a Service

PAN – Personal Area Network

PAP – Password Authentication Protocol

PARC – Palo Alto Research Center

PAT – Port address translation

PATA – Parallel ATA

PBS – Portable Batch System

PC – Personal Computer

PC DOS – Personal Computer Disk Operating System

PC – Personal computer (host)

PCB – Printed Circuit Board

PCB – Process Control Block

PCI – Peripheral Component Interconnect

PCI – X – PCI Extended

PCIe – PCI Express

PCL – Printer Command Language

PCM – Pulse – Code Modulation

PCM – Pulse-code modulation

PCMCIA – Personal Computer Memory Card International Association

PCRE – Perl Compatible Regular Expressions

PD – Public Domain

PDA – Personal Digital Assistant

PDF – Portable Document Format

PDH – Plesiochronous Digital Hierarchy

PDP – Programmed Data Processor

PDU – Protocol data unit (such as segment, packet, frame, etc.)

PE – Physical Extents

PERL – Practical Extraction and Reporting Language

PFA – Please Find Attachment

PG – Peripheral Gateway

PGA – Pin Grid Array

PGA – Programmable Gate Array

PGO – Profile – Guided Optimization

PGP – Pretty Good Privacy

PHP – Hypertext Preprocessor

PIC – Peripheral Interface Controller

PIC – Programmable Interrupt Controller

PID – Process ID

PID – Proportional – Integral – Derivative

PIM – Personal Information Manager

PIM – Platform Independent Model

PIM – Personal information manager

PIM – Privileged Identity Management

PINE – Program for Internet News and Email

PIO – Programmed Input/Output

PKCS – Public Key Cryptography Standards

PKI – Public Key Infrastructure

PL/I – Programming Language One

PL/M – Programming Language for Microcomputers

PL/P – Programming Language for Prime

PLC – Power Line Communication

PLC – Programmable Logic Controller

PLD – Programmable Logic Device

PLT – Power Line Telecommunications

PMM – POST Memory Manager

PNG – Portable Network Graphics

PnP – Plug – and – Play

PNRP – Peer Name Resolution Protocol

PoE – Power over Ethernet

POID – Persistent Object Identifier

POJO – Plain Old Java Object

POP – Point of Presence

POP3 – Post Office Protocol v3

POSIX – Portable Operating System Interface, formerly IEEE – IX

POST – Power – On Self Test

POTS – Plain old telephone service

PPC – PowerPC

PPI – Pixels Per Inch

PPP – Point-to-Point Protocol

PPPoA – PPP over ATM

PPPoE – PPP over Ethernet

PPTP – Point-to-Point Tunneling Protocol

PR – Pull Request

PS – PostScript

PS/2 – Personal System/2

PSA – Professional Services Automation

PSM – Platform Specific Model

PSU – Power Supply Unit

PSVI – Post – Schema – Validation Infoset

PTS – DOS – PhysTechSoft  –  Disk Operating System

PTT – Public Telephone and Telegraph

PV – Physical Volume

PVG – Physical Volume Group

PVR – Personal Video Recorder

PVST – Per-VLAN Spanning Tree

PXE – Preboot Execution Environment

PXI – PCI eXtensions for Instrumentation

Q

QA – Quality Assurance

QDR – Quad Data Rate

QFP – Quad Flat Package

QoS – Quality of Service

QOTD – Quote of the Day

QSOP – Quarter Small Outline Package

Qt – Quasar Toolkit

QTAM – Queued Teleprocessing Access Method

qWave – Quality Windows Audio/Video Experience

R

RACF – Resource Access Control Facility

RAD – Rapid Application Development

RADIUS – Remote Authentication Dial In User Service

RAID – Redundant Array of Independent Disks

RAII – Resource Acquisition Is Initialization

RAIT – Redundant Array of Inexpensive Tapes

RAM – Random Access Memory

RARP – Reverse Address Resolution Protocol

RAS – Reliability, Availability and Serviceability

RAS – Remote access service

RC – Region Code

RC – Release Candidate

RC – Run Commands

RCA – Root Cause Analysis

RCP – Royal College of Physicians

RCS – Revision Control System

RD – Remote Desktop

rd – remove directory

RDBMS – Relational Database Management System

RDC – Remote Desktop Connection

RDF – Resource Description Framework

RDM – Relational Data Model

RDOS – Real – time Disk Operating System

RDP –  Remote Desktop Protocol

RDS – Remote Data Services

REFAL – Recursive Functions Algorithmic Language

regex – Regular Expression

regexp – Regular Expression

REP – RAID Error Propagation

REST – Representational State Transfer

RF – Radio Frequency

RFC – Request For Comments

RFC – Request for Comments

RFI – Radio Frequency Interference

RFID – Radio Frequency Identification

RGB – Red, Green, Blue

RGBA – Red, Green, Blue, Alpha

RHEL – Red Hat Enterprise Linux

RHL – Red Hat Linux

RIA – Rich Internet Application

RIAA – Recording Industry Association of America

RIP – Raster Image Processor

RIP – Routing Information Protocol

RIR – Regional Internet registry

RISC – Reduced Instruction Set Computer

RISC OS – Reduced Instruction Set Computer Operating System

RJE – Remote Job Entry

RLE – Run – Length Encoding

RLL – Run – Length Limited

rmdir – remove directory

RMI – Remote Method Invocation

RMS – Richard Matthew Stallman

ROM – DOS – Read Only Memory  –  Disk Operating System

ROM – Read Only Memory

ROMB – Read – Out Motherboard

RPC – Remote Procedure Call

RPG – Report Program Generator

RPM – RPM Package Manager

RRAS – Routing and Remote Access Service

RSA – Rivest Shamir Adleman

RSI – Repetitive Strain Injury

RSS – Radio Service Software

RSS – Rich Site Summary, RDF Site Summary, or Really Simple Syndication

RSTP – Rapid Spanning Tree Protocol

RTAI – Real – Time Application Interface

RTC – Real – Time Clock

RTE – Real – Time Enterprise

RTEMS – Real – Time Executive for Multiprocessor Systems

RTL – Right-to-Left

RTMP – Real Time Messaging Protocol

RTOS – Real – Time Operating System

RTP – Real-time Transport Protocol

RTS – Ready To Send

RTSP – Real Time Streaming Protocol

RTTI – Run – time Type Information

RWD – Responsive Web Design

S

S/MIME – Secure/Multipurpose Internet Mail Extensions

SaaS – Software as a Service

SAM –  Security Account Manager

SAN – Storage Area Network

SAS – Serial attached SCSI

SASS – Syntatically Awesome Style Sheets

SATA – Serial ATA

SAX – Simple API for XML

sbin – superuser binary

SBOD – Spinning Beachball of Death

SBP – 2 – Serial Bus Protocol 2

sbs – Small Business Server

SBU – Standard Build Unit

SCADA – Supervisory Control And Data Acquisition

SCID – Source Code in Database

SCM – Software Configuration Management

SCM – Source Code Management

SCP – Secure Copy

SCPC – Single Channel Per Carrier

SCPI – Standard Commands for Programmable Instrumentation

SCSA – Secure Content Storage Association

SCSI – Small Computer System Interface

SCTP – Stream Control Transmission Protocol

SD – Secure Digital

SDDL – Security Descriptor Definition Language

SDH – Synchronous Digital Hierarchy

SDI – Single Document Interface

SDIO – Secure Digital Input Output

SDK – Software Development Kit

SDL – Simple DirectMedia Layer

SDLC – Synchronous Data Link Control

SDN – Service Delivery Network

SDN – Software Defined Networking

SDP – Session Description Protocol

SDR – Software – Defined Radio

SDRAM – Synchronous Dynamic Random Access Memory

SDSL – Symmetric DSL

SE – Single Ended

SEC – Single Edge Contact

SEI – Software Engineering Institute

SEO – Search Engine Optimization

SFD – Start-of-frame delimiter (Ethernet, HDLC, etc.)

SFP – Small form-factor pluggable

SFTP – Secure FTP

SFTP – Simple File Transfer Protocol

SFTP – SSH File Transfer Protocol

SGI – Silicon Graphics, Incorporated

SGML – Standard Generalized Markup Language

SGR – Select Graphic Rendition

SHA – Secure Hash Algorithm

SHDSL – Single – pair High – speed Digital Subscriber Line

S-HTTP – Secure HTTP (rarely used)

SIGCAT – Special Interest Group on CD – ROM Applications and Technology

SIGGRAPH – Special Interest Group on Graphics

SIMD – Single Instruction, Multiple Data

SIMM – Single Inline Memory Module

SIP – Session Initiation Protocol

SIP – Supplementary Ideographic Plane

SISD – Single Instruction, Single Data

SISO – Single-Input and Single-Output

SLARP – Serial Line ARP (Address Resolution Protocol)

SLED – SUSE Linux Enterprise Desktop

SLES – SUSE Linux Enterprise Server

SLI – Scalable Link Interface

SLIP – Serial Line Internet Protocol

SLM – Service Level Management

SLOC – Source Lines of Code

SMA – SubMiniature version A

SMB – Server Message Block

SMBIOS – System Management BIOS

SME – Subject Matter Expert

SMF – Single-Mode (optical) Fiber

SMIL – Synchronized Multimedia Integration Language

SMP – Supplementary Multilingual Plane

SMP – Symmetric Multi – Processing

SMPS – Switch Mode Power Supply

SMS – Short Message Service

SMS – System Management Server

SMT – Simultaneous Multithreading

SMTP – Simple Mail Transfer Protocol

SNA – Systems Network Architecture

SNAP – SubNet Access Protocol

SNMP – Simple Network Management Protocol

SNTP – Simple Network Time Protocol

SO – DIMM – Small Outline DIMM

SOA – Service – Oriented Architecture

SOAP – Simple Object Access Protocol

SOAP – Symbolic Optimal Assembly Program

SoC – System-on-a-Chip

SOE – Standard Operating Environment

SOF – Start of frame

SOHO – Small Office/Home Office

SOI – Silicon On Insulator

SOLID –  Single – responsibility Principle, Open – closed Principle, Liskov substitution principle, Interface segregation principle, Dependency Inversion principle

SOPA – Stop Online Piracy Act

SP – Service Pack

SPA – Single Page Application

SPARC – Scalable Processor Architecture

SPF – Sender Policy Framework

SPI – Serial Peripheral Interface

SPI – Stateful Packet Inspection

SPM – Software project management

SPMD – Single Program, Multiple Data

SQL – Structured Query Language

SRAM – Static Random Access Memory

SRAM – Static Random Access Memory

SSA – Static Single Assignment

SSD – Software Specification Document

SSD – Solid-State Drive

SSDP – Simple Service Discovery Protocol

SSE – Streaming SIMD Extensions

SSH – Secure Shell

SSI – Server Side Includes

SSI – Single-System Image

SSI – Small-Scale Integration

SSID – Service set identifier (Wi-Fi)

SSL – Secure Socket Layer

SSO – Single Sign On

SSP – Supplementary Special – purpose Plane

SSSE – Supplementary Streaming SIMD Extensions

SSSP – Single Source Shortest Path

SSTP – Secure Socket Tunneling Protocol

STP – Spanning Tree Protocol

su – superuser

SUS – Single UNIX Specification

SUSE – Software und System – Entwicklung

SVC – Scalable Video Coding

SVD – Structured VLSI Design

SVG – Scalable Vector Graphics

SVGA – Super Video Graphics Array

SWF – Shock Wave Flash

SWT – Standard Widget Toolkit

SYN (TCP) – Synchronization

Sysop – System operator

T

TAO – Track – At – Once

TAPI – Telephony Application Programming Interface

TASM – Turbo ASseMbler

TB – TeraByte

Tcl – Tool Command Language

TCP – Transmission Control Protocol

TCP/IP – Transmission Control Protocol/Internet Protocol

TCU – Telecommunication Control Unit

TDM – Time-division multiplexing

TDMA – Time – Division Multiple Access

TFT – Thin – Film Transistor

TFTP – Trivial File Transfer Protocol

TI – Texas Instruments

TIA – Telecommunications Industry Alliance

TIFF – Tagged Image File Format

TLA – Three-Letter Acronym

TLD – Top-Level Domain

TLS – Thread-Local Storage

TLS – Transport Layer Security

TLV – Type-length-value

tmp – temporary

TNC – Terminal Node Controller

TNC – Threaded Neill – Concelman connector

TOFU – Trust On First Use

TPF – Transaction Processing Facility

TPM – Trusted Platform Module

TROFF – Trace Off

TRON – The Real – time Operating system Nucleus

TRON – Trace On

TRSDOS – Tandy Radio Shack  –  Disk Operating System

TSO – Time Sharing Option

TSP – Traveling Salesman Problem

TSR – Terminate and Stay Resident

TTA – True Tap Audio

TTF – TrueType Font

TTL – Time To Live

TTL – Transistor – Transistor Logic

TTS – Text-to-Speech

TTY – Teletype

TUCOWS – The Ultimate Collection of Winsock Software

TUG – TeX Users Group

TWAIN – Technology Without An Interesting Name

U

UAAG – User Agent Accessibility Guidelines

UAC – User Account Control

UART – Universal Asynchronous Receiver/Transmitter

UAT – User Acceptance Testing

UCS – Universal Character Set

UDDI – Universal Description, Discovery, and Integration

UDMA – Ultra DMA

UDP – User Datagram Protocol

UDP – User Datagram Protocol

UEFI – Unified Extensible Firmware Interface

UHF – Ultra High Frequency

UI – User Interface

UL – Upload

ULA – Uncommitted Logic Array

UMA – Upper Memory Area

UMB – Upper Memory Block

UML – Unified Modeling Language

UML – User – Mode Linux

UMPC – Ultra – Mobile Personal Computer

UMTS – Universal Mobile Telecommunications System

UNC – Universal Naming Convention

UNIVAC – Universal Automatic Computer (By MKS)

UPS – Uninterruptible Power Supply

URI – Uniform Resource Identifier

URL – Uniform Resource Locator

URN – Uniform Resource Name

USB – Universal Serial Bus

USB – Universal Serial Bus

USR – U.S. Robotics

usr – user

UTC – Coordinated Universal Time

UTF – Unicode Transformation Format

UTP – Unshielded Twisted Pair

UTP – Unshielded twisted pair

UTRAN – Universal Terrestrial Radio Access Network

UUCP – Unix to Unix Copy

UUID – Universally Unique Identifier

UUN – Universal User Name

UVC – Universal Virtual Computer

UWP – Universal Windows Platform

UX – User Experience

V

var – variable

VAX – Virtual Address eXtension

VB – Visual Basic

VBA – Visual Basic for Applications

VBS – Visual Basic Script

VC – Virtual circuit

VCPI – Virtual Control Program Interface

VDI – Virtual Desktop Infrastructure

VDM –  Virtual DOS machine

VDSL – Very High Bitrate Digital Subscriber Line

VDU –  Visual Display Unit

VESA – Video Electronics Standards Association

VFAT – Virtual FAT

VFS – Virtual File System

VG – Volume Group

VGA – Video Graphics Array

VHD  –  Virtual Hard Disk

VHF – Very High Frequency

VLAN – Virtual Local Area Network

VLB – Vesa Local Bus

VLF – Very Low Frequency

VLIW – Very Long Instruction Word

VLSI – Very – Large – Scale Integration

VLSM – Variable Length Subnet Mask

VM – Virtual Machine

VM – Virtual Memory

VMM – Virtual Machine Monitor

VNC – Virtual Network Computing

VOD – Video On Demand

VoIP – Voice over Internet Protocol

VPN – Virtual Private Network

VPU – Visual Processing Unit

VR – Virtual Reality

VRAM – Video Random Access Memory

VRML – Virtual Reality Modeling Language

VSAM – Virtual Storage Access Method

VSAT – Very Small Aperture Terminal

VT – Video Terminal?

VTAM – Virtual Telecommunications Access Method

VTL –  Virtual Tape Library

W

W3C – World Wide Web Consortium

WAFS – Wide Area File Services

WAI – Web Accessibility Initiative

WAIS – Wide Area Information Server

WAN – Wide Area Network

WAP – Wireless Access Point

WAP – Wireless Application Protocol

WASM – Watcom ASseMbler

WBEM – Web – Based Enterprise Management

WCAG – Web Content Accessibility Guidelines

WCF – Windows Communication Foundation

WDM – Wavelength – Division Multiplexing

WebDAV – WWW Distributed Authoring and Versioning

WEP – Wired Equivalent Privacy

WFI – Wait For Interrupt

WINS – Windows Internet Name Service

Wi-Fi – IEEE 802.11 (Wi-Fi Alliance)

WiMAX – Worldwide Interoperability for Microwave Access

WinFS – Windows Future Storage

WinRT – Windows RunTime

WLAN – Wireless Local Area Network

WMA – Windows Media Audio

WMI –  Windows Management Instrumentation

WMV – Windows Media Video

WNS – Windows Push Notification Service

WOL – Wake – on – LAN

WOR – Wake – on – Ring

WORA – Write once, run anywhere

WORE – Write once, run everywhere

WPA – Wi – Fi Protected Access

WPAD – Web Proxy Autodiscovery Protocol

WPAN – Wireless Personal Area Network

WPF – Windows Presentation Foundation

WS – D – Web Services – Discovery

WSDL – Web Services Description Language

WSFL – Web Services Flow Language

WUSB – Wireless Universal Serial Bus

WWAN – Wireless Wide Area Network

WWDC – Apple World Wide Developer Conference

WWID – World Wide Identifier

WWN – World Wide Name

www – World Wide Web

WYSIWYG – What You See Is What You Get

WZC – Wireless Zero Configuration

X

XAG – XML Accessibility Guidelines

XAML – eXtensible Application Markup Language

XCBL – XML Common Business Library

XDM – X Window Display Manager

XDMCP – X Display Manager Control Protocol

XHTML – eXtensible Hypertext Markup Language

XILP – X Interactive ListProc

XML – eXtensible Markup Language

XMMS – X Multimedia System

XMPP – eXtensible Messaging and Presence Protocol

XMS – Extended Memory Specification

XNS – Xerox Network Systems

XP – Cross – Platform

XP – Extreme Programming

XPCOM – Cross Platform Component Object Model

XPI – XPInstall

XPIDL – Cross – Platform IDL

XPS –  XML Paper Specification

XSD – XML Schema Definition

XSL – eXtensible Stylesheet Language

XSL – FO – eXtensible Stylesheet Language Formatting Objects

XSLT – eXtensible Stylesheet Language Transformations

XSS – Cross – Site Scripting

XTF – eXtended Triton Format

XTF – eXtensible Tag Framework

XUL – XML User Interface Language

XVGA – Extended Video Graphics Adapter

Y

Y2K – Year Two Thousand

YAAF – Yet Another Application Framework

YACC – Yet Another Compiler Compiler

YAML – YAML Ain’t Markup Language

YaST – Yet another Setup Tool

Z

ZCAV – Zone Constant Angular Velocity

ZCS – Zero Code Suppression

ZIF – Zero Insertion Force

ZIFS – Zero Insertion Force Socket

ZIP – ZIP file archive

ZISC – Zero Instruction Set Computer

ZMA – Zone Multicast Address

ZOI – Zero One Infinity

ZPL – Z – level Programming Language

ZOPE – Z Object Publishing Environment