Computer Abbreviations—0 to 9, A to Z

Computer Abbreviations—0 to 9, A to Z

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

ADC: Analog-to-Digital Converter

ADC: Apple Display Connector

ADB: Apple Desktop Bus

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 : Active Link

AL : Access List

ALAC: Apple Lossless Audio Codec

ALGOL: Algorithmic Language

ALSA: Advanced Linux Sound Architecture

ALU: Arithmetic and Logical Unit

AM: Access Method

AM: Active Matrix

AMOLED: Active-Matrix Organic Light-Emitting Diode

AM: Active Monitor

AM: Allied Mastercomputer

AM: Amplitude Modulation

AMD: Advanced Micro Devices

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

AuthIP: Authenticated Internet Protocol

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

ASSP: Application-Specific Standard Product

AT: Advanced Technology

AT: Access Time

AT: Active Terminator

ATA: Advanced Technology Attachment

ATAG: Authoring Tool Accessibility Guidelines

ATAPI: Advanced Technology Attachment Packet Interface

ATM: Asynchronous Transfer Mode

AV: Antivirus

AVC: Advanced Video Coding

AVI: Audio Video Interleaved

AWK: Aho Weinberger Kernighan

AWT: Abstract Window Toolkit

AWFL: Acronym With Four Letters

B

B2B: Business-to-Business

B2C: Business-to-Consumer

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

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

BiDi: Bi-Directional

bin: binary

BINAC: Binary Automatic Computer

BIND: Berkeley Internet Name Domain

BIOS: Basic Input Output System

BJT: Bipolar Junction Transistor

bit: binary digit

Blob: Binary large object

Blog: Web Log

BMP: Basic Multilingual Plane

BNC: Bayonet Neill-Concelman

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: Block Started by Symbol

BT: BitTorrent

BT: Bluetooth

B TAM: Basic Telecommunications Access Method

BW: Bandwidth

BYOD: Bring Your Own Device

C

CA: Computer architecture

CAD: Computer-Aided Design

CAE: Computer-Aided Engineering

CAID: Computer-Aided Industrial Design

CAI: Computer-Aided Instruction

CAM : Computer-Aided Manufacturing

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

CAT: Computer-Aided Translation

CAQ: Computer-Aided Quality Assurance

CASE: Computer-Aided Software Engineering

cc: C Compiler

CD: Compact Disc

CDE: Common Desktop Environment

CDFS :  Compact Disk File System

CDMA: Code Division Multiple Access

CDN: Content Delivery Network

CDP: Continuous Data Protection

CD-R: CD-Recordable

CD-ROM: CD Read-Only Memory

CD-RW: CD-Rewritable

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

CLR: Common Language Runtime

CM: Configuration Management

CM: Content Management

CMDB: Configuration Management Database

CMMI: Capability Maturity Model Integration

CMOS: Complementary Metal-Oxide Semiconductor

CMS: Content Management System

CN: Canonical Name

CN: Common Name

CNC: Computer Numerical Control

CNG: Cryptographic Next Generation

CNG: Cryptography Next Generation

CNR: Communications and Networking Riser

COBOL: Common Business-Oriented Language

COM: Component Object Model or communication

CORBA: Common Object Request Broker Architecture

COTS: Commercial Off-The-Shelf

CPA: Cell Processor Architecture

CPAN: Comprehensive Perl Archive Network

CP/M: Control Program/Monitor

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/CD: Carrier sense multiple access with collision detection

CSP: Cloud Service Provider

CSP: Communicating Sequential Processes

CSRF: Cross-Site Request Forgery

CSS: Cascading Style Sheets

CSS: Content-Scrambling System

CSS: Closed Source Software

CSS: Cross-Site Scripting

CSV: Comma-Separated Values

CT: Computerized Tomography

CTAN: Comprehensive TeX Archive Network

CTCP: Client-To-Client Protocol

CTI: Computer Telephony Integration

CTFE: Compile Time Function Execution

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

D

DAC: Digital-To-Analog Converter

DAC: Discretionary Access Control

DAL: Database Abstraction Layer

DAO: Data Access Object

DAO: Data Access Objects

DAO: Disk-At-Once

DAP: Directory Access Protocol

DARPA: Defense Advanced Research Projects Agency

DAT: Digital Audio Tape

DB: Database

DBA: Database Administrator

DBCS: Double Byte Character Set

DBMS: Database Management System

DCC: Direct Client-to-Client

DCCP: Datagram Congestion Control Protocol

DCCA: Debian Common Core Alliance

DCL: Data Control Language

DCS: Distributed Control System

DCMI: Dublin Core Metadata Initiative

DCOM: Distributed Component Object Model

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

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

DRAM: Dynamic Random-Access Memory

DR-DOS: Digital Research—Disk Operating System

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

DSL: Digital Subscriber Line

DSL: Domain-Specific Language

DSLAM: Digital Subscriber Line Access Multiplexer

DSN: Database Source Name

DSN: Data Set Name

DSP: Digital Signal Processor

DSSSL: Document Style Semantics and Specification Language

DTD: Document Type Definition

DTE: Data Terminal Equipment or data transfer rate

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

EFS: Encrypting File System

EGA: Enhanced Graphics Array

E-mail: Electronic mail

EGP: Exterior Gateway Protocol

eID: electronic ID card

EIDE: Enhanced IDE

EIGRP: Enhanced Interior Gateway Routing Protocol

EISA: Extended Industry Standard Architecture

ELF: Extremely Low Frequency

ELF: Executable and Linkable Format

ELM: ELectronic Mail

EMACS: Editor MACroS

EMS : Expanded Memory Specification

ENIAC: Electronic Numerical Integrator And Computer

EOD: End of Day

EOF: End of File

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

ESR: Eric Steven Raymond

ETL: Extract, Transform, Load

ETW: Event Tracing for Windows

EUC: Extended Unix Code

EULA: End User License Agreement

EWMH: Extended Window Manager Hints

EXT: EXTended file system

F

FAP: FORTRAN Assembly Program

FASM: Flat ASseMbler

FAT: File Allocation Table

FAQ: Frequently Asked Questions

FBDIMM: Fully Buffered Dual Inline Memory Module

FC-AL: Fibre Channel Arbitrated Loop

FCB: File Control Block

FCS: Frame Check Sequence

FDC: Floppy Disk Controller

FDS: Fedora Directory Server

FDD: Frequency-Division Duplexing

FDD : Floppy Disk Drive

FDDI: Fiber Distributed Data Interface

FDM: Frequency-Division Multiplexing

FDMA: Frequency-Division Multiple Access

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”

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

FRU: Field Replaceable Unit

FS: File System

FSB: Front Side Bus

fsck: File System Check

FSF: Free Software Foundation

FSM: Finite State Machine

FTTA: Fiber To The Antenna

FTTC: Fiber To The Curb

FTTH: Fiber To The Home

FTTP: Fiber To The Premises

FTP: File Transfer Protocol

FQDN: Fully Qualified Domain Name

FUD: Fear Uncertainty Doubt

FWS: Folding White Space

FXP: File eXchange Protocol

FYI: For Your Information

FVEK: Full Volume Encryption Key

G

G11N: Globalization

Gas: GNU Assembler

Gb: Gigabit

GB: Gigabyte

GCC: GNU Compiler Collection

GCJ: GNU Compiler for Java

GCR: Group Code Recording

GDB: GNU Debugger

GDI: Graphics Device Interface

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 Public License

GPL: General-Purpose Language

GPRS: General Packet Radio Service

GPT: GUID Partition Table

GPU: Graphics Processing Unit

GRUB: Grand Unified Boot-Loader

GERAN: GSM EDGE Radio Access Network

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

HASP: Houston Automatic Spooling Priority

HBA: Host Bus Adapter

HCI: Human Computer Interaction

HD: High Density

HDD : Hard Disk Drive

HCL: Hardware Compatibility List

HD DVD: High Definition DVD

HDL: Hardware Description Language

HDMI: High-Definition Multimedia 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

HTC: High-Throughput Computing

HSM: Hierarchical Storage Management

HT: Hyper Threading

HTM: Hierarchical Temporal Memory

HTML: Hypertext Markup Language

HTTP: Hypertext Transfer Protocol

HTTPd: Hypertext Transport Protocol Daemon

HTTPS: HTTP Secure

HTX: HyperTransport eXpansion

HURD: Hird of Unix-Replacing Daemons

HVD: Holographic Versatile Disc

Hz: Hertz

I

I²C: Inter-Integrated Circuit

I²S: Integrated Interchip Sound

I18N: Internationalization

IANA: Internet Assigned Numbers Authority

iBCS: Intel Binary Compatibility Standard

IBM: International Business Machines

IC: Integrated Circuit

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 Distribution Frame

IDF: Intermediate Data Format

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

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

INFOSEC: Information Systems Security

I/O: Input/output

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

I/F: Interface

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

iSCSI: Internet Small Computer System Interface

ISDN: Integrated Services Digital Network

ISO: International Organization for Standardization

iSNS: Internet Storage Name Service

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

IVRS: Interactive Voice Response System

IVCR: Interactive Virtual Classroom

J

J2EE: Java 2 Enterprise Edition

J2ME: Java 2 Micro Edition

J2SE: Java 2 Standard Edition

JAXB: Java Architecture for XML Binding

JAX-RPC: Java XML for Remote Procedure Calls

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

JEE: Java Enterprise Edition

JES: Job Entry Subsystem

JDS: Java Desktop System

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

JMX: Java Management Extensions

JMS: Java Message Service

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

KDE: K Desktop Environment

kHz: Kilohertz

KM: Knowledge Machine

KRL: Knowledge Representation Language

KVM: Keyboard, Video, Mouse

L

L10N: Localization

L2TP: Layer two Tunneling 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

LBA: Logical Block Addressing

LB: Load Balancer

LCD: Liquid Crystal Display

LCR: Least Cost Routing

LCOS: Liquid Crystal On Silicon

LDAP: Lightweight Directory Access Protocol

LE: Logical Extents

LED: Light-Emitting Diode

LF: Line Feed

LF: Low Frequency

LFS: Linux From Scratch

LGPL: Lesser General Public License

LIB: LIBrary

LIF: Low Insertion Force

LIFO: Last In First Out

LILO: Linux Loader

LISP: LISt Processing

LKML: Linux Kernel Mailing List

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

LGA: Land Grid Array

M

MAC: Mandatory Access Control

MAC: Media Access Control

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

MBR: Master Boot Record

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: Microsoft Edge

ME: [Windows] Millennium Edition

MF: Medium Frequency

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

MIMO: Multiple-Input Multiple-Output

MINIX: MIni-uNIX

MIPS: Million Instructions Per Second

MIPS: Microprocessor without Interlocked Pipeline Stages

MIS: Management Information Systems

MISD: Multiple Instruction, Single Data

MIT: Massachusetts Institute of Technology

MIME: Multipurpose Internet Mail Extensions

MMDS: Multichannel Multipoint Distribution Service

MMDS: Mortality Medical Data System

MMI: Man Machine Interface.

MMIO: Memory-Mapped I/O

MMORPG: Massively Multiplayer Online Role-Playing Game

MMC: Microsoft Management Console

MMU: Memory Management Unit

MMX: Multi-Media Extensions

MNG: Multiple-image Network Graphics

MoBo: Motherboard

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

MPU: Microprocessor Unit

MS: Memory Stick

MS: Microsoft

MSB: Most Significant Bit

MSN: Microsoft Network

MS-DOS: Microsoft DOS

MT: Machine Translation

MTA: Mail Transfer Agent

MTA: Microsoft Technology Associate

MTBF: Mean Time Between Failures

MTU: Maximum Transmission Unit

MSA: Mail Submission Agent

MSDN: Microsoft Developer Network

MSI: Medium-Scale Integration

MSI: Message Signaled Interrupt

MSI: Microsoft Installer

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

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

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

NIM: No Internal Message

NIO: New 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

NS: Netscape

NSA: Network Security Appliance

NSI: Network Service Interface

NSPR: Netscape Portable Runtime

NSS: Novell Storage Service

NSS: Network Security Services

NSS: Name Service Switch

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

OSPF: Open Shortest Path First

OSS : Open Sound System

OSS : Open-Source Software

OSS : Operations Support System

OSTG: Open Source Technology Group

OUI: Organisationally 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

PATA: Parallel ATA

PBS: Portable Batch System

PC: Personal Computer

PCB: Printed Circuit Board

PCB: Process Control Block

PC DOS: Personal Computer Disc Operating System

PCI: Peripheral Component Interconnect

PCIe: PCI Express

PCL: Printer Command Language

PCMCIA: Personal Computer Memory Card International Association

PCM: Pulse-Code Modulation

PCRE: Perl Compatible Regular Expressions

PD: Public Domain

PDA: Personal Digital Assistant

PDF: Portable Document Format

PDH: Plesiochronous Digital Hierarchy

PDP: Programmed Data Processor

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: Proportional-Integral-Derivative

PID: Process ID

PIM: Personal Information Manager

PINE: Program for Internet News and Email

PIM: Platform Independent Model

PIO: Programmed Input/Output

PKCS: Public Key Cryptography Standards

PKI: Public Key Infrastructure

PLC: Power Line Communication

PLC: Programmable Logic Controller

PLD: Programmable Logic Device

PL/I: Programming Language One

PL/M: Programming Language for Microcomputers

PL/P: Programming Language for Prime

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

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

PV: Physical Volume

PVG: Physical Volume Group

PVR: Personal Video Recorder

PXE: Preboot Execution Environment

PXI: PCI eXtensions for Instrumentation

Q

QDR: Quad Data Rate

QA: Quality Assurance

QFP: Quad Flat Package

QoS: Quality of Service

QOTD: Quote of the Day

Qt: Quasar Toolkit

QTAM: Queued Teleprocessing Access Method

QSOP: Quarter Small Outline Package

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

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

REST: Representational State Transfer

regex: Regular Expression

regexp: Regular Expression

RF: Radio Frequency

RFC: Request For Comments

RFI: Radio Frequency Interference

RFID: Radio Frequency Identification

RGB: Red, Green, Blue

RGBA: Red, Green, Blue, Alpha

RHL: Red Hat Linux

RHEL: Red Hat Enterprise 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: Read Only Memory

ROMB: Read-Out Motherboard

ROM-DOS: Read Only Memory—Disk Operating System

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

RTAI: Real-Time Application Interface

RTC: Real-Time Clock

RTE: Real-Time Enterprise

RTEMS: Real-Time Executive for Multiprocessor Systems

RTL: Right-to-Left

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

SaaS: Software as a Service

SAM: Security Account Manager

SAN: Storage Area Network

SAS: Serial attached SCSI

SATA: Serial ATA

SAX: Simple API for XML

SBOD: Spinning Beachball of Death

SBP-2: Serial Bus Protocol 2

sbin: superuser binary

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

SEC: Single Edge Contact

SDIO: Secure Digital Input Output

SDK: Software Development Kit

SDL: Simple DirectMedia Layer

SDN: Service Delivery Network

SDP: Session Description Protocol

SDR: Software-Defined Radio

SDRAM: Synchronous Dynamic Random Access Memory

SDSL: Symmetric DSL

SE: Single Ended

SEI: Software Engineering Institute

SEO: Search Engine Optimization

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

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

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

SME: Subject Matter Expert

SPM: Software project management

SPMD: Single Program, Multiple Data

SMA: SubMiniature version A

SMB: Server Message Block

SMBIOS: System Management BIOS

SMIL: Synchronized Multimedia Integration Language

S/MIME: Secure/Multipurpose Internet Mail Extensions

SMP: Supplementary Multilingual Plane

SMP: Symmetric Multi-Processing

SMS: Short Message Service

SMS: System Management Server

SMT: Simultaneous Multithreading

SMTP: Simple Mail Transfer Protocol

SNA: Systems Network Architecture

SNMP: Simple Network Management Protocol

SNTP: Simple Network Time Protocol

SOA: Service-Oriented Architecture

SOAP: Simple Object Access Protocol

SOAP: Symbolic Optimal Assembly Program

SOPA: Stop Online Piracy Act

SoC: System-on-a-Chip

SO-DIMM: Small Outline DIMM

SOE: Standard Operating Environment

SOHO : Small Office/Home Office

SOI: Silicon On Insulator

SP: Service Pack

SPA: Single Page Application

SPF: Sender Policy Framework

SPI: Serial Peripheral Interface

SPI: Stateful Packet Inspection

SPARC: Scalable Processor Architecture

SQL: Structured Query Language

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

SSL: Secure Socket Layer

SSP: Supplementary Special-purpose Plane

SSSE: Supplementary Streaming SIMD Extensions

SSSP: Single Source Shortest Path

SSTP: Secure Socket Tunneling Protocol

su: superuser

SUS: Single UNIX Specification

SUSE: Software und System-Entwicklung

SVC: Scalable Video Coding

SVG: Scalable Vector Graphics

SVGA: Super Video Graphics Array

SVD: Structured VLSI Design

SWF: Shock Wave Flash

SWT: Standard Widget Toolkit

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

TDMA: Time Division Multiple Access

TFT: Thin Film Transistor

TFTP: Trivial File Transfer Protocol

TI: Texas Instruments

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

TPF: Transaction Processing Facility

TPM: Trusted Platform Module

TROFF: Trace Off

TRON: Trace On

TRON: The Real-time Operating system Nucleus

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: Transistor-Transistor Logic

TTL: Time To Live

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

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

UPS: Uninterruptible Power Supply

URI: Uniform Resource Identifier

URL: Uniform Resource Locator

URN: Uniform Resource Name

USB: Universal Serial Bus

usr: user

USR: U.S. Robotics

UTC: Coordinated Universal Time

UTF: Unicode Transformation Format

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

VCPI: Virtual Control Program Interface

VR: Virtual Reality

VRML: Virtual Reality Modeling Language

VB: Visual Basic

VBA: Visual Basic for Applications

VBS: Visual Basic Script

VDM: Virtual DOS machine

VDSL: Very High Bitrate Digital Subscriber Line

VESA: Video Electronics Standards Association

VFAT: Virtual FAT

VHD :  Virtual Hard Disk

VFS: Virtual File System

VG: Volume Group

VGA: Video Graphics Array

VHF: Very High Frequency

VLAN: Virtual Local Area Network

VLSM: Variable Length Subnet Mask

VLB: Vesa Local Bus

VLF: Very Low Frequency

VLIW: Very Long Instruction Word

VLSI: Very-Large-Scale Integration

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

VSAM: Virtual Storage Access Method

VSAT: Very Small Aperture Terminal

VT: Video Terminal?

VTAM: Virtual Telecommunications Access Method

VRAM: Video Random Access Memory

W

W3C: World Wide Web Consortium

WWDC: Apple World Wide Developer Conference

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

WiFi: Wireless Fidelity

WiMAX: Worldwide Interoperability for Microwave Access

WinFS: Windows Future Storage

WinRT: Windows RunTime

WINS: Windows Internet Name Service

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

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

XDM: X Window Display Manager

XDMCP: X Display Manager Control Protocol

XCBL: XML Common Business Library

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: eXtensible Tag Framework

XTF: eXtended Triton Format

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

ZISC: Zero Instruction Set Computer

ZOI: Zero One Infinity

ZOPE: Z Object Publishing Environment

ZMA: Zone Multicast Address

ZPL: Z level Programming Language