1.\" $OpenBSD: groupinfo.8,v 1.14 2013/07/16 11:13:34 schwarze Exp $ 2.\" $NetBSD: groupinfo.8,v 1.3 2000/10/03 19:32:23 bjh21 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 GROUPINFO 8 36.Os 37.Sh NAME 38.Nm groupinfo 39.Nd display group information 40.Sh SYNOPSIS 41.Nm groupinfo 42.Op Fl e 43.Ar group 44.Sh DESCRIPTION 45The 46.Nm 47utility displays the name, group ID (GID), 48and members of the specified 49.Ar group . 50.Pp 51The options are as follows: 52.Bl -tag -width Ds 53.It Fl e 54Do not display anything (quiet mode). 55This form of the command is useful for 56scripts which need to check whether a particular group 57name or GID is already in use on the system. 58.El 59.Pp 60The 61.Ar group 62argument may be either a group name or a GID. 63.Sh EXIT STATUS 64The 65.Nm 66utility exits 0 if 67.Ar group 68exists, and non-zero if it does not. 69.Sh SEE ALSO 70.Xr group 5 , 71.Xr passwd 5 , 72.Xr group 8 , 73.Xr userinfo 8 74.Sh HISTORY 75The 76.Nm 77utility first appeared in 78.Ox 2.7 . 79.Sh AUTHORS 80The 81.Nm 82utility was written by 83.An Alistair G. Crooks Aq Mt agc@NetBSD.org . 84.Sh CAVEATS 85If the specified 86.Ar group 87is the primary group of a user, but that user is not listed as a 88member of the 89.Ar group 90in the 91.Xr group 5 92file, the 93.Nm 94utility fails to list that user as a member of the 95.Ar group . 96