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# chgrp - Unix, Linux Command

# NAME

chgrp - change group ownership

# SYNOPSIS

chgrp [OPTION]... GROUP FILE...
chgrp [OPTION]... --reference=RFILE FILE...

# DESCRIPTION

Change the group of each FILE to GROUP. With --reference, change the group of each FILE to that of RFILE.

Tag | Description
--- | ---
-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)
--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 group rather than the specifying GROUP value
-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

# EXAMPLES

Tag | Description
--- | ---
chgrp staff /u
| Change the group of /u to "staff".
chgrp -hR staff /u
| Change the group of /u and subfiles to "staff".

# AUTHOR

Written by David MacKenzie and Jim Meyering.

# REPORTING BUGS

Report bugs to <bug-coreutils@gnu.org>.

# COPYRIGHT

Copyright © 2006 Free Software Foundation, Inc.
This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.

# SEE ALSO

chgrp is maintained as a Texinfo manual. If the info and chgrp programs are properly installed at your site, the command

Tag | Description
--- | ---
| info chgrp

should give you access to the complete manual.

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