chgrp man page on OpenBSD

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CHGRP(1)		   OpenBSD Reference Manual		      CHGRP(1)

NAME
     chgrp - change group

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

DESCRIPTION
     chgrp sets the group ID of the specified files.

     The options are as follows:

     -f	     The force option ignores errors, except for usage errors.

     -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'')
     specification.

     The flag [-f] is an extension to that specification.

OpenBSD 4.9		       September 3, 2010		   OpenBSD 4.9
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