chgrp man page on FreeBSD

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CHGRP(1)		  BSD General Commands Manual		      CHGRP(1)

NAME
     chgrp — change group

SYNOPSIS
     chgrp [-fhvx] [-R [-H | -L | -P]] group file ...

DESCRIPTION
     The chgrp utility sets the group ID of the file named by each file oper‐
     and to the group ID specified by the group operand.

     The following options are available:

     -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.)

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

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

     -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 errors and does
	     not query about strange modes (unless the user does not have
	     proper permissions).

     -h	     If the file is a symbolic link, the group ID of the link itself
	     is changed rather than the file that is pointed to.

     -v	     Cause chgrp to be verbose, showing files as the group is modi‐
	     fied.  If the -v flag is specified more than once, chgrp will
	     print the filename, followed by the old and new numeric group ID.

     -x	     File system mount points are not traversed.

     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 op‐
     erand 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 super-user.

FILES
     /etc/group	 group ID file

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

COMPATIBILITY
     In previous versions of this system, symbolic links did not have groups.

     The -v and -x options are non-standard and their use in scripts is not
     recommended.

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

STANDARDS
     The chgrp utility is expected to be IEEE Std 1003.2 (“POSIX.2”) compati‐
     ble.

BSD			       February 21, 2010			   BSD
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