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Home / Computing & IT / Unix

Computing & IT >> Unix Abbreviations

Look through 485 acronyms and abbreviations related to Unix:

FCNTL — file control
SYN — Synchronous
EM — emphasize
XML — Extensible Markup Language
FTP — File Transfer Protocol
ANSI — American National Standards Institute, Inc.
GETTY — get tty
XENIX — Xenos Unix
IRC — Internet Relay Chat
WWW — World Wide Web
IP — Internet Protocol
UDP — User Datagram Protocol (FDDI related)
STRCAT — string concatenate
SMTP — Simple Mail Transfer Protocol
NFS — Network File System
HTTP — Hypertext Transfer Protocol
STRCHR — string character
PCLOSE — process close
BSD — Berkeley Software Distribution
STRSTR — string string
CR — Carriage Return
SIGABRT — signal: abort
RFC — Request For Comment
SCSI — Small Computer System Interface
DEC — Digital Equipment Corporation
ASCII — American National Standard Code for Information Interchange
UNISTD.H — Unix standard
URL — Universal Resource Locator
C — Center
STRCSPN — string character span
EXECVE — execv with environment
TCP — Transmission Control Protocol
DHCP — Dynamic Host Configuration Protocol
NET — Network
XARGS — extended arguments
FPRINTF — file print formatted
SLIP — Serial Line Interface Protocol
MIL — Military
NIS — Network Information System
ACK — Acknowledge (telecommunications; Cf. NAK)
XDPR — X dump print
SGML — Standard Generalized Markup Language
YACC — Yet Another Compiler-Compiler
STRCPY — string copy
PNG — Portable Network Graphics (graphic file standard/extension)
PGP — Pretty Good Privacy (encryption)
RCS — Revision Control System
CC — C Compiler
ICMP — Internet Control Message Protocol
OSI — Open Systems Interconnection (iso Standard)

KBD — Keyboard
STRSPN — string span
ARP — Address Resolution Protocol (ATM)
RIP — Routing Information Protocol
NBSP — Non-Breaking Space
PS — PostScript
YP — Yellow Pages
A — Anchor
VALIGN — vertical alignment
MHS — Message Handling System (electronic)
HD — Hard Disk
DCE — Distributed Computing Environment
DIV — Division
CVS — Concurrent Versions System
RAID — Redundant Array of Inexpensive Disks
STRTOK — string tokenize
WC — Word Count
AACUTE — A with accent acute
IBM — International Business Machines Corporation
STRRCHR — string character
NL — New Line
TCL — Tool Command Language
LPQ — Line Printer Queue
ORG — Organization
NIC — Network Information Center
EXECV — execute
LF — Line Feed
HALIGN — horizontal alignment
ETC — Et Cetera
EXECVP — execv with path search
SYNC — Synchronize
SNMP — Simple Network Management Protocol (ATM)
QDAEMON — queue daemon
BRK — Break
RMDIR — Remove Directory
REALLOC — re-allocate
DUP — Duplicate
EOT — End Of Transmission
USL — UNIX System Laboratories
FSF — Free Software Foundation
VARARGS.H — variable arguments
STRCMP — string compare
EXEC — Execute
BG — Background
CAN — Cancel
C — Close
TMP — Temporary
XMKMF — X make makefile
CAT — Concatenate
CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)

PPP — Point-to-Point Protocol
SO — Shift-Out
EXECLP — execl with path search
PASSWD — Password
RFD — Request For Discussion
STDLIB.H — standard library
I — Intermediate
FS — File Separator
GIF — Graphic Interchange Format
CMP — Compare
ALT — Alternative Lengthening of Telomeres
CALLOC — cleared allocation
MV — Move
NNTP — Network News Transfer Protocol
BSH — Bourne Shell
BS — Backspace
VAR — Variable
RCP — Remote Copy Protocol
C — Cell
WM — Window Manager
STRPBRK — string pointer break
TAR — Tape Archive
TTT — Tic Tac Toe
ERRNO — error number
BOOTP — Bootstrap Protocol
BEL — Bennett Environmental, Inc. (stock symbol; formerly the symbol for Bell Atlantic)
MWM — Motif Window Manager
PERL — Practical Extraction and Report Language
XDM — X Display Manager
LS — Listing
C — Century
C — Cent
RLOGIN — Remote Login in Unix
GREP — Global Regular Expression Print
TTY — Teletype Telex Machine
SIGILL — signal: illegal instruction
TH — Table Header
MAN — Manual
NTP — Network Time Protocol
SED — Stream Editor
GOV — Government
PROF — Profile
U — Underline
I — Italic
FF — Form Feed
C — Cessna
STDIO.H — Standard Input/Output Header
PS — Process Status
SIGALRM — signal: alarm clock
IOCTL — Input/Output Control

MULTICS — Multiplexed Information and Computing System
PPTP — Point-to-Point Tunneling Protocol
D — Daemon
C — Centavo
C — Centum
CXX — C File
AELIG — AE ligature
COM — Commercial
STX — Start of Text
US — Unit Separator
CI — Check In
P — Paragraph
SI — Shift In
STRLEN — string length
SCANF — scan formatted
PDP — Programmed Data Processor
CD — Change Directory
ZIP — Ziv packer
OL — Ordered List
SIGUSR1 — signal: user-defined signal 1
HP — Hewlett Packard's
V — Version
CDE — Common Desktop Environment
JAVA — [not an acronym] A general purpose, high-level, object-oriented, cross-platform programming language developed by Sun Microsystems
SVR4 — System V Release 4 Unix
LPC — Line Printer Control
GS — Group Separator
TFTP — Trivial File Transfer Protocol (ATM)
AIX — Advanced Interactive Executive (IBM)
STTY — set tty
CTYPE.H — character types
CTIME — convert time
B — Bold Text
SO — Shared Object
ISATTY — is a tty
LANG — language
DIR — Directory
CSH — C Shell Programming
NAK — Negative Acknowledge
ETX — End of Text
LPRM — Line Printer Remove
TGZ — tar gz
RS — Record Separator
LIB — Libra
SIGHUP — signal: hangup
IMAP2 — Interim Mail Access Protocol, Version 2
TIFF — Tag Image File Format
UNAME — Unix name
SIGEMT — signal: EMT instruction
OSF — Open Software Foundation

EQN — Equation
DAEMON — Disk And Execution Monitor
SIGTTIN — signal: TTY input
LS — List-Serv
SIGTSTP — Signal: terminal stop
EXECL — execute list
TCSH — Tenex C Shell
POPEN — process open
LPD — Line Printer Daemon
ACIRC — A with accent circonflexe
SU — Superuser
CCEDIL — C with cedille
PAX — Portable Archive Exchange
AWK — Aho, Weinberger, Kernighan
SZLIG — sz ligature
ENV — Environment
VT — Video Terminal
SPAM — not an acronym
KSH — Korn Shell Programming
SCCS — Source Code Control System
ATOF — ASCII to Float
SSCANF — string scan formatted
DNS — Domain Name Server
LS — Language Specialist
FSCK — File System Check
VI — Visual
HREF — Hypertext Reference
LD — Library Loader
LORDER — library order
FTOK — file token
AGRAVE — A with accent grave
UCB — University of California at Berkeley's
BASH — Bourne Again Shell
ATOB — ASCII to Binary
ARPA — Advanced Research Project Agency's
IMG — Image
HT — Horizontal Tabulator
TR — Table Row
SAMP — Sample
COMM — Common
LI — List Item
RC — Run Commands (UNIX)
PRINTF — Print Formatted
PUSHD — push directory
NOHUP — no hang-up
RSH — Remote Shell
FG — Foreground
SIGTERM — signal: terminate
SINIX — Siemens Unix
SPRINTF — string print formatted

R — Remote
LP — Line Printer
AS — Assembler
SAR — System Activity Report
PING — not an acronym
ELM — Electronic Mail for UNIX
ENQ — Enquiry
ETB — End of Transmission Block
CHDIR — Change Directory
DLE — Data Link Escape
ATOI — ASCII to Integer
ULIMIT — user's limit
CAL — Calendar
DEV — Devices
DWARF — Debug with Arbitrary Record Format
SIGSEGV — signal: segmentation violation
UUCP — Unix-to-Unix communication protocol
DVI — device independant
EDU — Educational Institutions
A — Archive
XFD — X Font Display
BIFF — not an acronym
SOH — Start Of Header
TZ — Time Zone
TERMCAP — TERMinal CAPability
SIGBUS — signal: bus error
BR — Break
DEL — Delete
SIGTTOU — signal: TTY output
SUB — Substitute
NUL — Null
CHOWN — Change Owner
TT — Teletype
AR — Archiver
STRTOL — string to long
FUSER — file user
TR — Translate
A/UX — Apple Unix
SIGCHLD — Signal: child
RCP — remote copy program
PRE — Preformatted
ISO — not an acronym
TERMINFO — Terminal Information
EDU — Educational Disadvantage Unit
G — GNU C Compiler
DIFF — Difference
TBL — Table
EDU — Educational Development Unit
PTY — pseudo tty
SIGFPE — signal: floating point exception

DF — Disk Free
FSCANF — file scan formatted
SCO — Santa Cruz Operation, Inc.
TEX — Tau Epsilon Chi
VIM — Vi Improved
DC1 — Device Control 1
U — User
UTMP — temporary file with user information
BIN — binaries
RANLIB — random access library
GZ — Gnu Zip
ROFF — run-off
LPR — Line Print
STDARG.H — standard arguments
IEEE — Institute of Electrical and Electronical Engineers
TNS — Transparent Network Substrate
SBIN — superuser binaries
TSH — Trusted shell
SRAND — seed random number generator
PR — prepare
ESAC — case
JSH — job-control shell
QSORT — quick sort
FTW — File Tree Walk
MPEG — motion picture expert group
EXECLE — execl with environment
PS1 — prompt string 1
ADB — advanced debugger
USR — Unix Shared Resources
GNU — GNU is not Unix
HPUX — Hewlett-Packard Unix
ELF — Extensible Linking Format
EVAL — Evaluate
NOM — Nomenclature
UNIQ — Unique
DIFF3 — differences of three files
SPC — Space
PCC — Portable C Compiler
RSH — Restricted Shell
ED — Editorial Division
OCLOCK — O shaped clock
CHMOD — Change Mode
LINT — not an acronym
CRON — Chronos
SRC — Source
DIRNAME — directory name
ED — Editorial Department
FSTAB — File System Table
SH — Shell
EXPR — Expression

GLOB — Global
M4 — macro processor version 4
AUML — A with umlaut
CHARGEN — character generator
USENET — User's Network
CB — C-Beautifier
EDU — Educational Organizations
DU — Disk Usage
IMAKE — interface to make
FTIO — fast tape input/output
CPIO — Copy In and Out
SZ — send Zmodem
MKFS — Make File system
PINE — PINE Is Nearly Elm(Pine Internet News and E-mail)
NM — Names
REC — Recreation (ground)
FMT — Format
PBM — Portable Bitmap
H — Header file
RMT — Remote Magnetic Tape
SUB — Subscript
SIGURG — signal: urgent I/O condition
REGCMP — regular expression compile
XWUD — X window un-dump
REGEX — regular expression execute
RARP — Reverse ARP
RMT — Raw Magnetic Tape
O — object code
MALLOC — memory allocation
EMACS — Escape Meta Alternate Control Shift
SPOOL — Simultaneous Peripheral Operation OnLine
SBRK — segment break
CP — Copy (Unix command)
POVRAY — Persistence of Vision Raytracer
RZ — Receive Z-modem
Y — yacc
NN — No News
MINIX — miniature Unix
SUP — Superscript
H — Header
TCLSH — Tcl shell
EGREP — extended grep
S — server-parsed HTML
TEE — T pipe fitting
SDB — symbolic debugger
MIME — Multi-Purpose Internet Mail Extensions
L — lex
TK — Tcl-based Toolkit
TSORT — topological sort
XRDB — X resource database

LN — Link
PICO — PINE Composer
NOBR — No break
W3C — Word Wide Web Consortium
STDDEF.H — standard definitions
VT — Vertical tabulator
PRS — Print Revision Summary
ETH — ?
KMEM — kernel memory
SIGWINCH — Signal: window changed
JPEG — joint pictures expert group
EMACS — Emacs makes any computer slow
WISH — windowing shell
SIGCONT — signal: continue
MKNOD — make node
ESC — Escape
FD — file descriptors
TROFF — typesetter roff
BC — better calculator
MOTD — motto of the day
LEX — Lexical Analyser
LD — Loader Domain
PRINTCAP — printer capability
BTOA — Binary to ASCII
UL — Unsorted List
DC — Desk Calculator
LPP — licensed program products
NAWK — New AWK
RMAIL — restricted mail
H1 — Header 1
CHSH — change shell
LS — List Show
BSEARCH — binary search
C89 — 1989 C compiler
Z — ?
TELNET — TErminal over NETwork
UMASK — user's mask
SA — stub archive
RM — Remove
COM — Commercial Operations Management
VPRINTF — varargs print formatted
DL — Define List
MEM — Memory
OD — Octal Dump
XPM — X Pixel Map
SHAR — SHell ARchive
INODE — Index Node
— archive
EX — extended editor
TAB — Tabulator

ED — Editorial Decision
CHGRP — Change Group
FGREP — fixed-string grep
TD — Table Data
NROFF — new roff
MVDIR — move directory
LN — Link number
SIGSYS — Signal: system call
SIGINT — signal: interruption
DT — Dictionary Term
WALL — write all
POPD — pop directory
PWD — print work directory
FD — Floppy Diskette
XON — Transmission On
XBM — X BitMap Format
SYSV — System V
DD — dictionary definition
LHARC — Lempl-Huffman archiver
SIGIO — Signal: input/output
R — Raw
ID — Identity
XMP — example
DBX — Extended Debugger
RMDEL — remove delta
XOFF — Transmission Off
LD — link editor
XWD — X Window Dump
LINUX — from Linus
IFS — internal field seperators
NL — number lines
LOGNAME — log-in name
CO — Check-Out
RFO — request for opinions
FC — Fix Command

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