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.\" $OpenBSD: groupmod.8,v 1.17 2010/09/03 11:22:36 jmc Exp $
.\" $NetBSD: groupmod.8,v 1.10 2003/02/14 16:11:37 grant Exp $
.\"
.\" Copyright (c) 1999 Alistair G. Crooks. All rights reserved.
.\"
.\" 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 Alistair G. Crooks.
.\" 4. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior written
.\" permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
.\"
.\"
.Dd $Mdocdate: September 3 2010 $
.Dt GROUPMOD 8
.Os
.Sh NAME
.Nm groupmod
.Nd modify an existing group on the system
.Sh SYNOPSIS
.Nm groupmod
.Op Fl ov
.Op Fl g Ar gid
.Op Fl n Ar newname
.Ar group
.Sh DESCRIPTION
The
.Nm
utility modifies an existing group.
The options are as follows:
.Bl -tag -width Ds
.It Fl g Ar gid
Gives the numeric group identifier to be used for the new group.
.It Fl n Ar newname
Gives the new name which the group shall have.
.It Fl o
Allows the new group to have a GID which is already in use for another group.
.It Fl v
Enables verbose mode - explain the commands as they are executed.
.El
.Sh EXIT STATUS
.Ex -std groupmod
.Sh SEE ALSO
.Xr group 5 ,
.Xr groupadd 8 ,
.Xr groupdel 8 ,
.Xr groupinfo 8 ,
.Xr user 8
.Sh HISTORY
The
.Nm
utility first appeared in
.Ox 2.7 .
.Sh AUTHORS
The
.Nm
utility was written by
.An Alistair G. Crooks Aq agc@NetBSD.org .
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