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chown

From Wikipedia, the free encyclopedia

Shell command for changing the owner of a file

For the surname, seeChown (surname).

chown
Example usage of`chown` command
Original authors	Ken Thompson, Dennis Ritchie
Developer	AT&T Bell Laboratories
Initial release	November 3, 1971; 54 years ago (1971-11-03)
Operating system	Unix andUnix-like,IBM i
Platform	Cross-platform
Type	Command

chown/ˈtʃoʊn/, short forchangeowner, is ashell command for changing the owning user ofUnix-basedfile system files – includingspecial files such asdirectories.

The ownership of a file may only be altered by a super-user (such as viasudo). A regular user cannotgive away their ownership of a file.^[1]

The version ofchown bundled inGNU coreutils was written by David MacKenzie and Jim Meyering.^[2]

The command is available forWindows viaUnxUtils.^[3] The command was ported toIBM i.^[4]

^"BSD Man page for chown, March 31, 1994".Archived from the original on March 4, 2016. RetrievedSeptember 10, 2013.
^chown(1) – Linux UserManual – User Commands from Manned.org
^"Native Win32 ports of some GNU utilities".unxutils.sourceforge.net.Archived from the original on 2006-02-09. Retrieved2025-08-09.
^IBM."IBM System i Version 7.2 Programming Qshell"(PDF).IBM.Archived(PDF) from the original on 2020-09-18. Retrieved2020-09-05.

The WikibookGuide to Unix has a page on the topic of:Commands

chown – Shell and Utilities Reference,The Single UNIX Specification, Version 5 fromThe Open Group
chown manual page
The chown Command by The Linux Information Project (LINFO)

v t e Unix command-line interface programs andshell builtins
File system	cat chattr chmod chown chgrp cksum cmp cp dd du df file fuser ln ls mkdir mv pax pwd rm rmdir split tee touch type umask
Processes	at bg crontab fg kill nice ps time
User environment	env exit logname mesg talk tput uname who write
Text processing	awk basename comm csplit cut diff dirname ed ex fold head iconv join m4 more nl paste patch printf read sed sort strings tail tr troff uniq vi wc xargs
Shell builtins	alias cd echo test unset wait
Searching	find grep
Documentation	man
Software development	ar ctags lex make nm strip yacc
Miscellaneous	bc cal expr lp od sleep true and false
Categories Standard Unix programs Unix SUS2008 utilities List

v t e GNU Core Utilities command-line interface programs
File system	chcon chmod chown chgrp cksum cp dd df dir dircolors install ln ls mkdir mkfifo mknod mktemp mv realpath rm rmdir shred sync touch truncate vdir
Text utilities	b2sum base32 base64 cat cksum comm csplit cut expand fmt fold head join md5sum nl numfmt od paste ptx pr sha1sum shuf sort split sum tac tail tr tsort unexpand uniq wc
Shell utilities	arch basename chroot date dirname du echo env expr factor false groups hostid id link logname nice nohup nproc pathchk pinky printenv printf pwd readlink runcon seq sleep stat stdbuf stty tee test timeout true tty uname unlink uptime users who whoami yes

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