1.\" $OpenBSD: groupmod.8,v 1.19 2016/11/29 03:59:31 jsg 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. The name of the author may not be used to endorse or promote 15.\" products derived from this software without specific prior written 16.\" permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 19.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 22.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 24.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" 31.Dd $Mdocdate: November 29 2016 $ 32.Dt GROUPMOD 8 33.Os 34.Sh NAME 35.Nm groupmod 36.Nd modify an existing group on the system 37.Sh SYNOPSIS 38.Nm groupmod 39.Op Fl ov 40.Op Fl g Ar gid 41.Op Fl n Ar newname 42.Ar group 43.Sh DESCRIPTION 44The 45.Nm 46utility modifies an existing group. 47The options are as follows: 48.Bl -tag -width Ds 49.It Fl g Ar gid 50Gives the numeric group identifier to be used for the new group. 51.It Fl n Ar newname 52Gives the new name which the group shall have. 53.It Fl o 54Allows the new group to have a GID which is already in use for another group. 55.It Fl v 56Enables verbose mode - explain the commands as they are executed. 57.El 58.Sh EXIT STATUS 59.Ex -std groupmod 60.Sh SEE ALSO 61.Xr group 5 , 62.Xr groupadd 8 , 63.Xr groupdel 8 , 64.Xr groupinfo 8 , 65.Xr user 8 66.Sh HISTORY 67The 68.Nm 69utility first appeared in 70.Ox 2.7 . 71.Sh AUTHORS 72The 73.Nm 74utility was written by 75.An Alistair G. Crooks Aq Mt agc@NetBSD.org . 76