chgrp - change group
chgrp [-R [-H | -L | -P]] [-f] [-h] group file [...]
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
are followed. (Symbolic links encountered in the
are not followed.)
-L If the -R option is specified, all symbolic links
-P If the -R option is specified, no symbolic links are
-R Change the group ID for the file hierarchies rooted
in the files
instead of just the files themselves.
-f The force option ignores errors, except for usage
-h Change the group ID of the specified symbolic link.
The -h and
-R options are mutually exclusive.
The -H, -L, and -P options are ignored unless the -R option
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
a numeric group ID. If a group name is also a numeric group
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.
The chgrp utility exits 0 on success or >0 if an error occurred.
/etc/group group ID file
chown(2), fts(3), group(5), passwd(5), symlink(7), chown(8)
The chgrp utility is expected to be POSIX 1003.2 compatible.
OpenBSD 3.6 January 25, 1997
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