chgrp Man page

Resume Wikipedia de Chgrp

La commande UNIX chgrp permet de changer le groupe d’utilisateur possédant un fichier ou un dossier. Tout comme chown, la commande n’est pas réservée au super-utilisateur : le propriétaire peut aussi effectuer un changement de groupe s’il fait partie du groupe de destination.

CHGRP(1) User Commands CHGRP(1)


chgrp – change group ownership


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.

-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

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”.


Written by David MacKenzie and Jim Meyering.


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Copyright © 2016 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, chown

Full documentation at:
or available locally via: info ‘(coreutils) chgrp invocation’

GNU coreutils 8.25 February 2016 CHGRP(1)