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NAME

chgrp — change group

SYNOPSIS

DESCRIPTION

chgrp sets the group ID of the specified files.

The options are as follows:

-H

If the -R option is specified, symbolic links on the command line are followed. (Symbolic links encountered in the tree traversal are not followed.)

-h

Change the group ID of the specified symbolic link. The -h and -R options are mutually exclusive.

-L

If the -R option is specified, all symbolic links are followed.

-P

If the -R option is specified, no symbolic links are followed.

-R

Change the group ID for the file hierarchies rooted in the files instead of just the files themselves.

The -H, -L, and -P options are ignored unless the -R option is specified. In addition, these options override each other and the command's actions are determined by the last one specified.

The group operand can be either a group name from the group database, or a numeric group ID. If a group name is also a numeric group ID, the operand is used as a group name.

The user invoking chgrp must belong to the specified group and be the owner of the file, or be the superuser.

FILES

/etc/group

group ID file

EXIT STATUS

The chgrp utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

chown(2), fts(3), group(5), passwd(5), symlink(7), chown(8)

STANDARDS

The chgrp utility is compliant with the IEEE Std 1003.1-2008 (“POSIX.1”) specification.