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+.\" Copyright (c) 1983, 1990, 1993, 1994
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)chgrp.1	8.3 (Berkeley) 3/31/94
+.\" $FreeBSD: src/usr.sbin/chown/chgrp.1,v 1.13 2001/08/15 09:09:46 ru Exp $
+.\"
+.Dd March 31, 1994
+.Dt CHGRP 1
+.Os
+.Sh NAME
+.Nm chgrp
+.Nd change group
+.Sh SYNOPSIS
+.Nm chgrp
+.Op Fl fhnv
+.Oo
+.Fl R
+.Op Fl H | Fl L | Fl P
+.Oc
+.Ar group
+.Ar
+.Sh DESCRIPTION
+The
+.Nm chgrp
+utility sets the group ID of the file named by each
+.Ar file
+operand to the
+.Ar group
+ID specified by the group operand.
+.Pp
+The following options are available:
+.Bl -tag -width indent
+.It Fl f
+The force option ignores errors, except for usage errors and doesn't
+query about strange modes (unless the user does not have proper permissions).
+.It Fl H
+If the
+.Fl R
+option is specified, symbolic links on the command line are followed.
+(Symbolic links encountered in the tree traversal are not followed).
+.It Fl 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.
+.It Fl L
+If the
+.Fl R
+option is specified, all symbolic links are followed.
+.It Fl P
+If the
+.Fl R
+option is specified, no symbolic links are followed.
+This is the default. Use
+.Fl h
+to change the group ID of a symbolic link.
+.It Fl R
+Change the group ID for the file hierarchies rooted
+in the files instead of just the files themselves.
+.It Fl n
+Interpret the group ID as numeric, avoiding the name lookup.
+.It Fl v
+Cause
+.Nm chgrp
+to be verbose, showing files as the group is modified.
+.El
+.Pp
+The
+.Fl H ,
+.Fl L
+and
+.Fl P
+options are ignored unless the
+.Fl R
+option is specified.
+In addition, these options override each other and the
+command's actions are determined by the last one specified.
+.Pp
+The
+.Ar 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.
+.Pp
+The user invoking
+.Nm chgrp
+must belong to the specified group and be the owner of the file,
+or be the super-user.
+.Sh DIAGNOSTICS
+.Ex -std
+.Sh COMPATIBILITY
+In previous versions of this system, symbolic links did not have groups.
+.Pp
+The
+.Fl v
+option is non-standard and its use in scripts is not recommended.
+.Sh FILES
+.Bl -tag -width /etc/group -compact
+.It Pa /etc/group
+group ID file
+.El
+.Sh SEE ALSO
+.Xr chown 2 ,
+.Xr fts 3 ,
+.Xr group 5 ,
+.Xr passwd 5 ,
+.Xr symlink 7 ,
+.Xr chown 8
+.Sh STANDARDS
+The
+.Nm chgrp
+utility is expected to be
+.St -p1003.2
+compatible.