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Home / Computing & IT / Unix

Computing & IT >> Unix Abbreviations

Look through 485 acronyms and abbreviations related to Unix:

FCNTL — file control
XML — Extensible Markup Language
XENIX — Xenos Unix
SYN — Synchronous
FTP — File Transfer Protocol
EM — emphasize
ANSI — American National Standards Institute, Inc.
URL — Universal Resource Locator
GETTY — get tty
IRC — Internet Relay Chat
XARGS — extended arguments
XDPR — X dump print
VALIGN — vertical alignment
QDAEMON — queue daemon
VARARGS.H — variable arguments
IP — Internet Protocol
XMKMF — X make makefile
AACUTE — A with accent acute
UNISTD.H — Unix standard
HALIGN — horizontal alignment
WWW — World Wide Web
PS — PostScript
EXECVE — execv with environment
CR — Carriage Return
UDP — User Datagram Protocol (FDDI related)
SMTP — Simple Mail Transfer Protocol
DEC — Digital Equipment Corporation
ASCII — American National Standard Code for Information Interchange
STRCAT — string concatenate
HTTP — Hypertext Transfer Protocol
NFS — Network File System
IBM — International Business Machines Corporation
RFC — Request For Comment
STRSTR — string string
STRCHR — string character
PGP — Pretty Good Privacy (encryption)
SLIP — Serial Line Interface Protocol
BSD — Berkeley Software Distribution
ACK — Acknowledge (telecommunications; Cf. NAK)
PCLOSE — process close
STRCSPN — string character span
FPRINTF — file print formatted
SCSI — Small Computer System Interface
PNG — Portable Network Graphics (graphic file standard/extension)
DHCP — Dynamic Host Configuration Protocol
SIGABRT — signal: abort
C — Center
MIL — Military
RAID — Redundant Array of Inexpensive Disks
TCP — Transmission Control Protocol

NET — Network
SIGEMT — signal: EMT instruction
DIV — Division
OSI — Open Systems Interconnection (iso Standard)
SGML — Standard Generalized Markup Language
CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
ARP — Address Resolution Protocol (ATM)
MHS — Message Handling System (electronic)
YACC — Yet Another Compiler-Compiler
NIS — Network Information System
RCS — Revision Control System
EOT — End Of Transmission
STRSPN — string span
KBD — Keyboard
ICMP — Internet Control Message Protocol
GIF — Graphic Interchange Format
RIP — Routing Information Protocol
DCE — Distributed Computing Environment
CC — C Compiler
STRCPY — string copy
CVS — Concurrent Versions System
YP — Yellow Pages
DUP — Duplicate
TCL — Tool Command Language
A — Anchor
SNMP — Simple Network Management Protocol (ATM)
PPP — Point-to-Point Protocol
EXECVP — execv with path search
NBSP — Non-Breaking Space
LF — Line Feed
PERL — Practical Extraction and Report Language
NL — New Line
STRTOK — string tokenize
HD — Hard Disk
RFD — Request For Discussion
ORG — Organization
RMDIR — Remove Directory
WC — Word Count
FSF — Free Software Foundation
ETC — Et Cetera
NIC — Network Information Center
REALLOC — re-allocate
STRRCHR — string character
ALT — Alternative Lengthening of Telomeres
EXECLP — execl with path search
EXECV — execute
PASSWD — Password
CALLOC — cleared allocation
BOOTP — Bootstrap Protocol
STDLIB.H — standard library

STRCMP — string compare
HP — Hewlett Packard's
LANG — language
CD — Change Directory
IMG — Image
BRK — Break
SIGURG — signal: urgent I/O condition
BG — Background
LPQ — Line Printer Queue
SYNC — Synchronize
CAT — Concatenate
CAN — Cancel
STDIO.H — Standard Input/Output Header
CXX — C File
USL — UNIX System Laboratories
NNTP — Network News Transfer Protocol
C — Close
EXEC — Execute
TMP — Temporary
STTY — set tty
CMP — Compare
TTT — Tic Tac Toe
RCP — Remote Copy Protocol
MV — Move
SIGILL — signal: illegal instruction
SO — Shift-Out
AELIG — AE ligature
TAR — Tape Archive
VAR — Variable
I — Intermediate
TTY — Teletype Telex Machine
RLOGIN — Remote Login in Unix
C — Cell
BEL — Bennett Environmental, Inc. (stock symbol; formerly the symbol for Bell Atlantic)
FS — File Separator
BSH — Bourne Shell
U — Underline
SIGALRM — signal: alarm clock
MAN — Manual
STX — Start of Text
NTP — Network Time Protocol
STRLEN — string length
IOCTL — Input/Output Control
SIGHUP — signal: hangup
SVR4 — System V Release 4 Unix
WM — Window Manager
BS — Backspace
ERRNO — error number
STRPBRK — string pointer break
GREP — Global Regular Expression Print

PPTP — Point-to-Point Tunneling Protocol
CDE — Common Desktop Environment
GOV — Government
MWM — Motif Window Manager
SCANF — scan formatted
ETX — End of Text
C — Century
XDM — X Display Manager
SIGUSR1 — signal: user-defined signal 1
CTYPE.H — character types
TGZ — tar gz
SED — Stream Editor
AIX — Advanced Interactive Executive (IBM)
LS — Listing
C — Cent
TH — Table Header
FF — Form Feed
COM — Commercial
TFTP — Trivial File Transfer Protocol (ATM)
C — Cessna
CI — Check In
JAVA — [not an acronym] A general purpose, high-level, object-oriented, cross-platform programming language developed by Sun Microsystems
MULTICS — Multiplexed Information and Computing System
PDP — Programmed Data Processor
D — Daemon
I — Italic
C — Centavo
NAK — Negative Acknowledge
P — Paragraph
DIR — Directory
US — Unit Separator
PROF — Profile
SI — Shift In
C — Centum
PS — Process Status
DNS — Domain Name Server
CTIME — convert time
CSH — C Shell Programming
OL — Ordered List
TIFF — Tag Image File Format
ZIP — Ziv packer
GS — Group Separator
HREF — Hypertext Reference
LPC — Line Printer Control
LIB — Libra
ISATTY — is a tty
OSF — Open Software Foundation
LPD — Line Printer Daemon
V — Version
EQN — Equation

DAEMON — Disk And Execution Monitor
IMAP2 — Interim Mail Access Protocol, Version 2
VI — Visual
SCCS — Source Code Control System
SU — Superuser
ACIRC — A with accent circonflexe
FTOK — file token
SO — Shared Object
LPRM — Line Printer Remove
B — Bold Text
UNAME — Unix name
RS — Record Separator
LS — List-Serv
FSCK — File System Check
CCEDIL — C with cedille
SIGTTIN — signal: TTY input
KSH — Korn Shell Programming
AWK — Aho, Weinberger, Kernighan
AGRAVE — A with accent grave
DC1 — Device Control 1
NUL — Null
SIGBUS — signal: bus error
BASH — Bourne Again Shell
SIGTSTP — Signal: terminal stop
SZLIG — sz ligature
LORDER — library order
TCSH — Tenex C Shell
COMM — Common
VT — Video Terminal
SPAM — not an acronym
PRINTF — Print Formatted
ATOF — ASCII to Float
POPEN — process open
ATOB — ASCII to Binary
EXECL — execute list
ENV — Environment
PAX — Portable Archive Exchange
PTY — pseudo tty
UTMP — temporary file with user information
ETB — End of Transmission Block
RC — Run Commands (UNIX)
SINIX — Siemens Unix
CHARGEN — character generator
HT — Horizontal Tabulator
UCB — University of California at Berkeley's
DEL — Delete
R — Remote
TR — Table Row
LI — List Item
SSCANF — string scan formatted

LPR — Line Print
DLE — Data Link Escape
ARPA — Advanced Research Project Agency's
ENQ — Enquiry
DWARF — Debug with Arbitrary Record Format
SCO — Santa Cruz Operation, Inc.
UUCP — Unix-to-Unix communication protocol
LINT — not an acronym
PUSHD — push directory
SAMP — Sample
SIGTERM — signal: terminate
DIFF — Difference
ELM — Electronic Mail for UNIX
SOH — Start Of Header
LS — Language Specialist
SPRINTF — string print formatted
PING — not an acronym
CHOWN — Change Owner
NOHUP — no hang-up
RSH — Remote Shell
FUSER — file user
A — Archive
SIGCHLD — Signal: child
VIM — Vi Improved
ULIMIT — user's limit
LD — Library Loader
TZ — Time Zone
DEV — Devices
BR — Break
BIFF — not an acronym
SUB — Substitute
EDU — Educational Development Unit
CAL — Calendar
AS — Assembler
FG — Foreground
LP — Line Printer
CB — C-Beautifier
SIGTTOU — signal: TTY output
ROFF — run-off
ATOI — ASCII to Integer
EDU — Educational Institutions
G — GNU C Compiler
TR — Translate
SAR — System Activity Report
BIN — binaries
TNS — Transparent Network Substrate
SRAND — seed random number generator
CHDIR — Change Directory
SPC — Space
TT — Teletype

TERMCAP — TERMinal CAPability
A/UX — Apple Unix
XFD — X Font Display
MPEG — motion picture expert group
STRTOL — string to long
EDU — Educational Disadvantage Unit
DU — Disk Usage
DVI — device independant
TBL — Table
STDARG.H — standard arguments
TEX — Tau Epsilon Chi
AR — Archiver
TSH — Trusted shell
FSTAB — File System Table
ISO — not an acronym
REC — Recreation (ground)
FTW — File Tree Walk
EVAL — Evaluate
SRC — Source
EXECLE — execl with environment
SDB — symbolic debugger
RANLIB — random access library
SIGFPE — signal: floating point exception
UNIQ — Unique
DF — Disk Free
SIGSEGV — signal: segmentation violation
RCP — remote copy program
SUB — Subscript
DIRNAME — directory name
RSH — Restricted Shell
TERMINFO — Terminal Information
USR — Unix Shared Resources
ESAC — case
NOM — Nomenclature
GLOB — Global
FMT — Format
EDU — Educational Organizations
HPUX — Hewlett-Packard Unix
GZ — Gnu Zip
CRON — Chronos
RMT — Remote Magnetic Tape
U — User
PRE — Preformatted
SH — Shell
ED — Editorial Division
JSH — job-control shell
CHMOD — Change Mode
IEEE — Institute of Electrical and Electronical Engineers
SBRK — segment break
ADB — advanced debugger

MALLOC — memory allocation
USENET — User's Network
FSCANF — file scan formatted
RARP — Reverse ARP
W3C — Word Wide Web Consortium
NN — No News
TELNET — TErminal over NETwork
QSORT — quick sort
SBIN — superuser binaries
REGCMP — regular expression compile
POVRAY — Persistence of Vision Raytracer
REGEX — regular expression execute
PCC — Portable C Compiler
STDDEF.H — standard definitions
L — lex
OCLOCK — O shaped clock
ETH — ?
DIFF3 — differences of three files
SIGIO — Signal: input/output
PS1 — prompt string 1
CPIO — Copy In and Out
RMT — Raw Magnetic Tape
M4 — macro processor version 4
PINE — PINE Is Nearly Elm(Pine Internet News and E-mail)
LEX — Lexical Analyser
EMACS — Emacs makes any computer slow
GNU — GNU is not Unix
ELF — Extensible Linking Format
CP — Copy (Unix command)
LN — Link
EGREP — extended grep
ED — Editorial Department
MKFS — Make File system
NM — Names
PR — prepare
MINIX — miniature Unix
H — Header
PBM — Portable Bitmap
SPOOL — Simultaneous Peripheral Operation OnLine
XRDB — X resource database
IMAKE — interface to make
RZ — Receive Z-modem
EXPR — Expression
AUML — A with umlaut
TK — Tcl-based Toolkit
CHSH — change shell
LD — Loader Domain
H — Header file
EMACS — Escape Meta Alternate Control Shift
MVDIR — move directory

PRINTCAP — printer capability
VPRINTF — varargs print formatted
FTIO — fast tape input/output
Y — yacc
SIGWINCH — Signal: window changed
Z — ?
FGREP — fixed-string grep
VT — Vertical tabulator
MKNOD — make node
H1 — Header 1
COM — Commercial Operations Management
TSORT — topological sort
LN — Link number
XWUD — X window un-dump
S — server-parsed HTML
RMAIL — restricted mail
ESC — Escape
TROFF — typesetter roff
MOTD — motto of the day
PICO — PINE Composer
TCLSH — Tcl shell
DC — Desk Calculator
LPP — licensed program products
SZ — send Zmodem
TEE — T pipe fitting
O — object code
MIME — Multi-Purpose Internet Mail Extensions
MEM — Memory
ED — Editorial Decision
OD — Octal Dump
XON — Transmission On
BC — better calculator
BSEARCH — binary search
KMEM — kernel memory
JPEG — joint pictures expert group
WISH — windowing shell
SUP — Superscript
PRS — Print Revision Summary
XWD — X Window Dump
BTOA — Binary to ASCII
SIGINT — signal: interruption
POPD — pop directory
SA — stub archive
NOBR — No break
C89 — 1989 C compiler
UL — Unsorted List
NAWK — New AWK
CHGRP — Change Group
ID — Identity
FD — file descriptors

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