1.\" $OpenBSD: groupmod.8,v 1.18 2013/07/16 11:13:34 schwarze Exp $ 2.\" $NetBSD: groupmod.8,v 1.10 2003/02/14 16:11:37 grant Exp $ 3.\" 4.\" Copyright (c) 1999 Alistair G. Crooks. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Alistair G. Crooks. 17.\" 4. The name of the author may not be used to endorse or promote 18.\" products derived from this software without specific prior written 19.\" permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 22.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 25.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 31.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.\" 34.Dd $Mdocdate: July 16 2013 $ 35.Dt GROUPMOD 8 36.Os 37.Sh NAME 38.Nm groupmod 39.Nd modify an existing group on the system 40.Sh SYNOPSIS 41.Nm groupmod 42.Op Fl ov 43.Op Fl g Ar gid 44.Op Fl n Ar newname 45.Ar group 46.Sh DESCRIPTION 47The 48.Nm 49utility modifies an existing group. 50The options are as follows: 51.Bl -tag -width Ds 52.It Fl g Ar gid 53Gives the numeric group identifier to be used for the new group. 54.It Fl n Ar newname 55Gives the new name which the group shall have. 56.It Fl o 57Allows the new group to have a GID which is already in use for another group. 58.It Fl v 59Enables verbose mode - explain the commands as they are executed. 60.El 61.Sh EXIT STATUS 62.Ex -std groupmod 63.Sh SEE ALSO 64.Xr group 5 , 65.Xr groupadd 8 , 66.Xr groupdel 8 , 67.Xr groupinfo 8 , 68.Xr user 8 69.Sh HISTORY 70The 71.Nm 72utility first appeared in 73.Ox 2.7 . 74.Sh AUTHORS 75The 76.Nm 77utility was written by 78.An Alistair G. Crooks Aq Mt agc@NetBSD.org . 79