Man page - chgrp(1)
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| CHGRP(1) | User Commands | CHGRP(1) |
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.
- -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
- --dereference
- 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)
- --from=CURRENT_OWNER:CURRENT_GROUP
- change the ownership 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 '/'
- --reference=RFILE
- use RFILE's ownership rather than specifying values. RFILE is always dereferenced if a symbolic link.
- -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. -P is the default.
EXAMPLES
- 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
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
SEE ALSO
chown(1), chown(2)
Full documentation
<https://www.gnu.org/software/coreutils/chgrp>
or available locally via: info '(coreutils) chgrp invocation'
Packaged by Debian (9.7-3)
Copyright © 2025 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
| June 2025 | GNU coreutils 9.7 |