Linux--Chown

CHOWN (1) User Commands CHOWN (1)



NAME
Chown-change file owner and group

Synopsis
chown [OPTION] ... [OWNER] [: [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. If only a owner (a
User name or numeric user ID) is given, which user is made the owner of each given file, and the files ' group isn't change D. If the Owner
is followed by a colon and a group name (or numeric group ID), with no spaces between them, the group ownership of the F Iles is changed as
Well. If a colon but no group name follows the user name, that user is made the owner of the files and the Changed to
That user ' s login group. If the colon and group were given, but the owner was omitted, only the group of the files is changed; In the case,
Chown performs the same function as CHGRP. If only a colon are given, or if the entire operand is empty, and neither the owner nor the group is
Changed.

OPTIONS
Change the owner and/or group of each FILE to owner and/or group. With--reference, change the owner and group of all FILE to those of
Rfile.

1 #chown-R user:group dir2 Change the owner of Dir to user, group34# Chown  : Group file5 changes file owning user group as group

--reference=rfile
Use Rfile ' s owner and group rather than specifying Owner:group values

1 #chown--reference=FILE1  FILE22 change FILE2 User and user group to FILE1

-R,--recursive
operate on files and directories recursively

-C,--changes
Like verbose, but the report has a change is made

#只在有改变发生时报告

-V,--verbose
Output a diagnostic for every file processed

-F,--silent,--quiet
Suppress most error messages

#不报告错误


--dereference #不改变链接本身, change the content of the link
Affect the referent of each symbolic link (this is the default), rather than the symbolic link itself

-H,--no-dereference #改变链接本身, but does not change the contents of the link
affect symbolic links Instead of any referenced file (useful-in systems that can change the ownership of a symlink)

--from=current_owner:current_group
The change the owner and/or group of all file only if it current owner and/or group match those specified here. Either may omitted,
In which case a match isn't required for the omitted attribute

--no-preserve-root
Do not treat '/' specially (the default)

--preserve-root
Fail to operate recursively on '/'


The following options modify how a hierarchy was traversed when the-r option was also specified. If more than one are specified, only the
Final one takes effect.

-H if a command line argument are 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 the login group if implied by a ': ' Following a symbolic OWNER.
OWNER and GROUP May is numeric as well as symbolic.

EXAMPLES
Chown root/u
Change the owner of/u to "root".

Chown root:staff/u
Likewise, but also the change it group to the "staff".

Chown-hr root/u
Change the owner of/u and subfiles to "root".

AUTHOR
Written by David MacKenzie and Jim meyering.

REPORTING BUGS
Report Chown bugs to [email protected]
GNU coreutils Home page: General help using GNU software: Report Chown translation Bugs to
COPYRIGHT
copyright©2013 Free Software Foundation, Inc. License gplv3+: GNU GPL version 3 or later This was free software:you was free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

See ALSO
Chown (2)

The full documentation-Chown is maintained as a Texinfo manual. If the info and chown programs is properly installed at your site, the
Command

Info coreutils ' Chown invocation '

Should give you access to the complete manual.



GNU Coreutils 8.21 March 2014 CHOWN (1)

Linux--Chown