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A/V
- Audio/Video
AARP
- AppleTalk Address Resolution Protocol
ABI
- Application Binary Interface
ACL
- Access Control List
ADA
- Administration and Directory Agent
ADSP
- AppleTalk Data Stream Protocol
AEP
- AppleTalk Echo Protocol
AFP
- AppleTalk Filing Protocol
AFTP
- Advanced Program-to-Program Communications File Transfer Protocol
AIO
- Asynchronous Input/Output
AIX
- Advanced Interactive Executive
ANSI
- American National Standards Institute
AOCE
- Apple Open Collaborative Environment
API
- Application Programming Interface
APPC
- Advanced Program-to-program Communications
APPN
- Advanced Peer-to-Peer Networking
ARAS
- Appletalk Remote Access Service
ARCnet
- Attached Resource Computing Network
ARP
- Address Resolution Protocol
ASCII
- American Standard Code for Information Interchange
ASMP
- asymmetric multiprocessing
ASP
- AppleTalk Session Protocol
AT
- Advanced Technology
ATM
- Asynchronous Transfer Mode
ATM
- Adobe Type Manager
ATP
- AppleTalk Transfer Protocol
ATT
- Advanced Technical Training
AURP
- AppleTalk Update-Based Routing Protocol
AVI
- Audio-Video Interleave
AWT
- Abstract Window Toolkit
BBS
- Bulletin Board System
BGP
- Border Gateway Protocol
BIF
- Binary Initialization Files
BIND
- Berkeley Internet Name Domain
BIOS
- Basic Input/Output System
BMP
- Bitmap
BOOTP
- Bootstrap Protocol
BRI
- Basic Rate Interface
BSD
- Berkeley Software Distribution
C3PO
- Custom 3rd-Party Object
CAS
- Communication Application Software
CBT
- Computer-Based Training
CCITT
- Consultative Committee for International Telegraph and Telephone
CD-ROM
- Compact Disc Read-Only Memory
CGA
- Color Graphic Adapter
CGI
- Common Gateway Interface
CGM
- Computer Graphics Metafile
CHAP
- Challenge Handshake Authentication Protocol
CIDR
- Classless Inter-Domain Routing
CIF
- Cells In Frames
CLI
- Command Line Interface
CLIB
- C-Library
CMC/CSA
- Common Messaging Call/Calendar and Scheduling API
CMOS
- Complementary Metal Oxide Semiconductor
CNA
- Certified Novell Administrator
CNE
- Certified Novell Engineer
CNI
- Certified Novell Instructor
CNS
- Certified Novell Salesperson
COM
- Component Object Model
CORBA
- Common Object Request Broker Architecture
CPI-C
- Common Programming Interface-Communications
CPU
- Central Processing Unit
CRC
- Cyclic Redundancy Check
CSL
- Call Support Layer
CSMA
- Carrier Sense Multiple Access
CSMA/CD
- Carrier Sense Multiple Access with Collision Detection
CSS
- Cascading Style Sheets
CSTA
- Computer Support Telephony Applications
CSU
- Channel Service Unit
CTI
- Computer Telephony Integration
DAC
- Discretionary Access Control
DAC
- Digital-to-Analog Converter
DAD
- Desktop Application Director
DAP
- Directory Access Protocol
DARPA
- Defense Advanced Research Projects Agency
DBMS
- Database Management System
DCA
- Digital Communications Associates
DCB
- Data Control Block
DCE
- Distributed Computing Environment
DDE
- Dynamic Data Exchange
DDNS
- Dynamic Domain Name System
DDP
- Datagram Delivery Protocol
DEC
- Digital Equipment Corporation
DES
- Data Encryption Standard
DG
- Data General Corporation
DHCP
- Dynamic Host Configuration Protocol
DIB
- Device Independent Bitmap
DID
- Direct Inward Dialing
DIOSS
- Distributed Office Support System
DLL
- Dynamic Link Library
DLSw
- Data Link Switching
DMA
- Direct Memory Access
DMS
- Document Management System
DNS
- Domain Name System
DNSSEC
- Domain Name System Security Extensions
DOAPI
- DOS Open Application Programming Interface
DOD
- Department of Defense
DP
- Dual Processor
DSSS
- Direct Sequence Spread Spectrum
DSU
- Digital Service Unit
DTD
- Document Type Definition
DTMF
- Dual-Tone Multiple-Frequency
DTP
- Distributed Transaction Processing
DTP
- Desktop Publishing
E-DDP
- Extended Datagram Delivery Protocol
ECMA
- European Computer Manufacturers Association
EGA
- Enhanced Graphic Adapter
EIGRP
- Enhanced Interior Gateway Routing Protocol
EISA
- Extended Industry Standard Architecture
ELAP
- Ethernet Link Access Protocol
ELAP
- EtherTalk Link Access Protocol
EOI
- End of Interrupts
EPROM
- Erasable Programmable Read-Only Memory
EPS
- Encapsulated PostScript
ESDI
- Enhanced Small Disk Interface
EXOS
- Extension Outside
FAT
- File Allocation Table
FCC
- Federal Communications Commission
FDDI
- Fiber Distributed Data Interface
FHSS
- Frequency Hopping Spread Spectrum
FIPS
- Federal Information Processing Standards
FQDN
- Fully Qualified Domain Name
FTAM
- File Transfer, Access, and Management
FTP
- File Transfer Protocol
GARP
- Generic Attribute Registration Protocol
GB
- Gigabyte
GIF
- Graphics Interchange Format
GIT
- Global Information Tracker
GL
- Generation Language
GUI
- Graphic User Interface
HCSS
- High Capacity Storage System
HDLC
- High-Level Data-Link Control
HDML
- Handheld Device Markup Language
HDTP
- Handheld Device Transfer Protocol
HLLAPI
- High-Level Language Application Programming Interface
HMI
- Hub Management Interface
HP
- Hewlett-Packard
HPFS
- High Performance File System
HSM
- Hardware Specific Module
HTML
- Hypertext Markup Language
HTML5
- Hypertext Markup Language version 5
HTTP
- Hypertext Transfer Protocol
HTTPD
- Hypertext Transfer Protocol Daemon
I/O
- Input/Output
IAF
- Identification and Authorization Facility
IBM
- International Business Machines
ICANN
- Internet Corporation for Assigned Names and Numbers
ICCCM
- Inter-Client Communications Conventions
ICMP
- Internet Control Message Protocol
IDAPI
- Integrated Database Application Programming Interface
IDE
- Integrated Drive Electronics
IEEE
- Institute of Electrical and Electronic Engineers
IETF
- Internet Engineering Task Force
IGRP
- Internet Gateway Routing Protocol
IMAP
- Internet Message Access Protocol
IP
- Internet Protocol
IPC
- interprocess communications
IPCS
- Integrated PC Server
IPX
- Internetwork Packet Exchange
IRQ
- Interrupt Request line
IS
- Information Systems
IS-IS
- Intermediate System-to-Intermediate System
ISDN
- Integrated Services Digital Network
ISIS
- Integrated Scientific Information System
ISO
- International Standards Organization
ISP
- Internet service provider
ITU
- International Telecommunications Union
IoT
- Internet of Things
JDBC
- Java Database Connectivity
JNDI
- Java Naming and Directory Interface
JPEG
- Joint Photographic Experts Group
JSON
- JavaScript Object Notation
KB
- Kilobyte
LAMP
- Linux, Apache, MySQL, PHP/Perl/Python
LAN
- Local Area Network
LAPB
- Link Access Protocol Balanced
LAT
- Local Area Transport
LDAP
- Lightweight Directory Access Protocol
LEN
- Logical End Node
LIPs
- Large Internet Packets
LLAP
- LocalTalk Link Access Protocol
LLC
- Logical Link Control
LPD
- Line Printer Daemon
LPR
- Line Printer Requester
LSL
- Link Support Layer
LU
- Logical Unit
MAC
- Media Access Control
MAPI
- Messaging Application Programming Interface
MB
- Megabyte
MBR
- Master Boot Record
MCA
- Micro Channel Architecture
MCI
- Media Control Interface
MCU
- Multipoint Control Unit
MHS
- Message Handling Service
MHz
- Megahertz
MIB
- Magagement Information Base
MIDI
- Musical Instrument Digital Interface
MIME
- Multipurpose Internet Mail Exchange
MIS
- Management Information Systems
MLA
- Master License Agreement
MPLS
- Multiprotocol Label Switching
MPW
- Macintosh Programmers Workbench
MS
- Microsoft
MSL
- Mirrored Server Link
MSM
- Media Specific Module
MTA
- Message Transfer Agent
MVS
- Multiple Virtual Storage
NASI
- NetWare Asynchronous Services Interface
NAT
- Network Address Translation
NBP
- Name Binding Protocol
NCP
- NetWare Core Protocol
NCSA
- National Center for Supercomputing Applications
NFS
- Network File System
NIC
- Network Interface Card
NIS
- Network Information Service
NLIH
- Natural Language Interface for Help
NLM
- NetWare Loadable Module
NNTP
- Network News Transport Protocol
NOS
- Network Operating System
NPA
- Network Professional Association
NSE
- Network Services Engine
NSEPro
- Network Support Encyclopedia Professional Volume
NT-1
- Network Termination Unit
NetBIOS
- Network Basic Input/output System
OAuth
- Open Authorization
OBEX
- Object Exchange Technology
OC
- Optical Carrier
OCR
- Optical Character Recognition
OCX
- OLE Custom Control
ODA
- Open Document Architecture
ODBC
- Open Database Connectivity
ODI
- Open Data-Link Interface
ODM
- Online Data Manager
ODMA
- Open Document Management API
OEM
- Original Equipment Manufacturer
OLE
- Object Linking and Embedding
OLTP
- Online Transaction Processing
ONC
- Open Network Computing
ORB
- Object Request Broker
OS
- Operating System
OSA
- Open Systems Architecture
OSF
- Open Software Foundation
OSI
- Open Systems Interconnection
OSINT
- Open-Source Intelligence
OSPF
- Open Shortest Path First
PAP
- Printer Access Protocol
PAP
- Password Authentication Protocol
PBX
- Private Branch Exchange
PC
- Personal Computer
PCI
- Peripheral Component Interface
PCMCIA
- Personal Computer Memory Card International Association
PDA
- Personal Digital Assistant
PDD
- Physical Device Driver
PDI
- Portable Device Interface
PDP
- Professional Developer's Program
PICT
- Picture
PIM
- Personal Information Manager
PIN
- Procedure Interrupt Negative
PIN
- Personal Identification Number
POA
- Post Office Agent
POP
- Post Office Protocol
POP
- Point of Presence
POS
- Portable Operating System
POSIX
- Portable Operating System Interface for Unix
PPP
- Point-to-Point Protocol
PPPBACP
- Point-to-Point Bandwidth Allocation Control Protocol
PPPBAP
- Point-to-Point Bandwidth Allocation Protocol
PPPRNS
- Point-to-Point Remote Node Service
PPTP
- Point-to-Point Tunneling Protocol
PROFS
- Professional Office System
PU
- Physical Unit
PVC
- Permanent Virtual Circuit
PaaS
- Platform as a Service
QIC
- Quarter Inch Cartridge Standards, Inc.
QLLC
- Qualified Logical Link Control
RAD
- Rapid Application Development
RADIUS
- Remote Authentication Dial-in User Service
RAID
- Redundant Array of Independent (or Inexpensive) Disks
RAM
- Random Access Memory
RARP
- Reverse Address Resolution Protocol
RDS
- Remote Document Server
REST
- Representational State Transfer
REXEC
- Remote Execution
RFC
- Request for Comment
RIP
- Routing Information Protocol
RIPL
- Remote Initial Program Load
RISC
- Reduced Instruction Set Computer
RMF
- Remote Management Facility
RMON
- Remote Monitor
ROM
- Read-Only Memory
RPA
- Robotic Process Automation
RPC
- Remote Procedure Call
RSA
- Rivest-Shamir-Adleman
RSCS
- Remote Spooling Communication Subsystem
RTF
- Rich Text Format
RTM
- Response Time Monitor
RTMP
- Routing Table Maintenance Protocol
RUNCMD
- Run Command
S-DDP
- Short Datagram Delivery Protocol
SAA
- System Application Architecture
SAF
- Service Access Facility
SAMMI
- Standalone Macintosh Messaging Interface
SAP
- Service Advertising Protocol
SAPD
- Service Advertising Protocol Daemon
SCO
- Santa Cruz Operations, Inc.
SCSI
- Small Computer System Interface
SDDLU
- Self-Defining, Dependent Logical Unit
SDK
- Software Developer's Kit
SDLC
- Synchronous Data Link Control
SDN
- Software-Defined Networking
SEA
- SoftSolutions Enterprise Administrator
SEM
- Server Enhancement Module
SEO
- Search Engine Optimization
SFT
- System Fault Tolerance
SGML
- Standard Generalized Markup Language
SKU
- Stock-Keeping Unit
SLIP
- Serial Line Interface Protocol
SLP
- Service Location Protocol
SMB
- Server Message Block
SMDI
- Simplified Message Desk Interface
SMDS
- Switched Multimegabit Data Service
SME
- Storage Management Engine
SMF
- Standard Message Format
SMP
- Symmetric Multiprocessing
SMS
- Storage Management Services
SMTP
- Simple Mail Transfer Protocol
SNA
- System Network Architecture
SNADS
- System Network Architecture Distribution Services
SNMP
- Simple Network Management Protocol
SONET
- Synchronous Optical Network
SOS
- Server Operating System
SPX
- Sequenced Packet Exchange
SQL
- Structured Query Language
SQLi
- SQL Injection
SRS
- Service Registry Service
SS/IS
- SoftSolutions Intelligent Search
SSCP
- System Services Control Point
SSH
- Secure Shell
SSI
- Server-Side Include
SSL
- Secure Sockets Layer
SSL/TLS
- Secure Sockets Layer / Transport Layer Security
SSM
- System Application Architecture Service Manager
STP
- Shielded Twisted-Pair
SVID
- System V Interface Definition
SVR
- UNIX System V Release
SaaS
- Software as a Service
TA
- Terminal Adapter
TAPI
- Telephony Applications Programming Interface
TAS
- Telephone Access Server
TB
- Terabyte
TCP/IP
- Transmission Control Protocol/Internet Protocol
TFM
- Trusted Facilities Management
TFTP
- Trivial File Transfer Protocol
TI-RPC
- Transport Independent Remote Procedure Call
TIFF
- Tagged Image File Format
TLAP
- TokenTalk Link Access Protocol
TLD
- Top-Level Domain
TLI
- Transport Level Interface
TP
- Transport Protocol
TSA
- Technical Support Alliance
TSA
- Target Service Agent
TSAPI
- Telephony Services Application Programming Interface
TSM
- Topology Specific Module
TSR
- Terminate-and-Stay-Resident
TTS
- Transaction Tracking System
TWAIN
- Technology Without an Interesting Name
UDP
- User Datagram Protocol
UNC
- Universal Naming Convention
UPS
- Uninterruptible Power Supply
URL
- Uniform Resource Locator
USL
- UNIX System Laboratories
UTP
- Unshielded Twisted-Pair
UX
- User Experience
VAX
- Virtual Address Extender
VBX
- Visual Basic Extension
VDD
- Virtual Device Driver
VGA
- Video Graphics Array
VHF
- Very High Frequency
VIM
- Vender Independent Messaging
VLAN
- Virtual Local Area Network
VLM
- Virtual Loadable Module
VM
- Virtual Machine
VMS
- Virtual Memory System
VPN
- Virtual Private Network
VPN
- Virtual Private Network
VT
- Virtual Terminal
VTAM
- Virtual Telecommunications Access Method
VTP
- Virtual Terminal Protocol
VoIP
- Voice over Internet Protocol
W3C
- World Wide Web Consortium
WAE
- Wireless Application Environment
WAF
- Web Application Firewall
WAN
- Wide Area Network
WAP
- Wireless Application Protocol
WAV
- Waveform Audio
WDP
- Wireless Datagram Protocol
WKSH
- Windowing Korn Shell
WMF
- Windows Metafile
WML
- Wireless Markup Language
WOAPI
- Windows Open Application Programming Interface
WORM
- Write Once, Read Many
WPAN
- Wireless Personal Area Network
WPS
- Workplace Shell
WSF
- Work Station Function
WSP
- Wireless Session Protocol
WTA
- Wireless Telephony Application
WTP
- Wireless Transaction Protocol
WWW
- World Wide Web
WYSBYGI
- What You See Before You Get It
WYSIWYG
- What You See Is What You Get
XA
- Extended Architecture
XAPIA
- X-400 Application Programming Interface Association
XDR
- External Data Representation Protocol
XFN
- Open Federated Name Service
XML
- Extensible Markup Language
XPG
- X/Open Portability Guide
XT
- Extended Technology
XTI
- X/Open Transport Interface
YAML
- YAML Ain't Markup Language
ZIP
- Zone Information Protocol
iBase
- Information Base