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Under GNU General Public License
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CHOWN(1) User Commands CHOWN(1)
NAME
chown - change file owner and group
SYNOPSIS
chown [OPTION]... OWNER[:[GROUP]] FILE...
chown [OPTION]... :GROUP FILE...
chown [OPTION]... --reference=RFILE FILE...
DESCRIPTION
This manual page documents the GNU version of chown. chown changes the user and/or
group ownership of each given file, according to its first non-option argument,
which is interpreted as follows. If only a user name (or numeric user ID) is
given, that user is made the owner of each given file, and the files’ group is not
changed. If the user name is followed by a colon or dot and a group name (or
numeric group ID), with no spaces between them, the group ownership of the files is
changed as well. If a colon or dot but no group name follows the user name, that
user is made the owner of the files and the group of the files is changed to that
user’s login group. If the colon or dot and group are given, but the user name is
omitted, only the group of the files is changed; in this case, chown performs the
same function as chgrp.
OPTIONS
Change the owner and/or group of each FILE to OWNER and/or GROUP. With --refer-
ence, change the owner and group of each FILE to those of RFILE.
-c, --changes
like verbose but report only when a change is made
--dereference
affect the referent of each symbolic link, rather than the symbolic link
itself (this is the default)
-h, --no-dereference
affect each symbolic link instead of any referenced file (useful only on
systems that can change the ownership of a symlink)
--from=CURRENT_OWNER:CURRENT_GROUP
change the owner and/or group of each file only if its current owner and/or
group match those specified here. Either may be omitted, in which case a
match is not required for the omitted attribute.
--no-preserve-root do not treat ‘/’ specially (the default)
--preserve-root
fail to operate recursively on ‘/’
-f, --silent, --quiet
suppress most error messages
--reference=RFILE
use RFILE’s owner and group rather than the specifying OWNER:GROUP values
-R, --recursive
operate on files and directories recursively
-v, --verbose
output a diagnostic for every file processed
The following options modify how a hierarchy is traversed when the -R option is
also specified. If more than one is specified, only the final one takes effect.
-H if a command line argument is a symbolic link to a directory, traverse it
-L traverse every symbolic link to a directory encountered
-P do not traverse any symbolic links (default)
--help display this help and exit
--version
output version information and exit
Owner is unchanged if missing. Group is unchanged if missing, but changed to login
group if implied by a ‘:’. OWNER and GROUP may be numeric as well as symbolic.
AUTHOR
Written by David MacKenzie and Jim Meyering.
REPORTING BUGS
Report bugs to <bug-coreutils AT gnu.org>.
COPYRIGHT
Copyright © 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO war-
ranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
SEE ALSO
The full documentation for chown is maintained as a Texinfo manual. If the info
and chown programs are properly installed at your site, the command
info coreutils chown
should give you access to the complete manual.
chown (coreutils) 5.2.1 July 2005 CHOWN(1)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/1.3.41 (Unix) PHP/5.2.5 mod_perl/1.30 mod_gzip/1.3.26.1a
Under GNU General Public License
2009-01-08 06:27 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)