change the file group ownership


Change the owner group of a file/directory

$ chgrp [group] [path/to/file_or_directory]

Recursively change the owner group of a directory and its contents
$ chgrp -R [group] [path/to/directory]

Change the owner group of a symbolic link
$ chgrp -h [group] [path/to/symlink]

Change the owner group of a file/directory to match a reference file
$ chgrp --reference=[path/to/reference_file] [path/to/file_or_directory]


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


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

-c, --changes

like verbose but report only when a change is made

-f, --silent, --quiet

suppress most error messages

-v, --verbose

output a diagnostic for every file processed


affect the referent of each symbolic link (this is the default), rather than the symbolic link itself

-h, --no-dereference

affect symbolic links instead of any referenced file (useful only on systems that can change the ownership of a symlink)


do not treat '/' specially (the default)


fail to operate recursively on '/'


use RFILE's group rather than specifying a GROUP value

-R, --recursive

operate on files and directories recursively

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.


if a command line argument is a symbolic link to a directory, traverse it


traverse every symbolic link to a directory encountered


do not traverse any symbolic links (default)


display this help and exit


output version information and exit


chgrp staff /u

Change the group of /u to "staff".

chgrp -hR staff /u

Change the group of /u and subfiles to "staff".


GNU coreutils online help: <>
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Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.


chown(1), chown(2) Full documentation <> or available locally via: info '(coreutils) chgrp invocation'


Written by David MacKenzie and Jim Meyering.

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