OpenBSD-4.6/usr.sbin/user/groupinfo.8

.\" $OpenBSD: groupinfo.8,v 1.12 2008/12/20 09:40:47 jmc Exp $
.\" $NetBSD: groupinfo.8,v 1.3 2000/10/03 19:32:23 bjh21 Exp $
.\"
.\" Copyright (c) 1999 Alistair G. Crooks.  All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\" 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.
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.Dd $Mdocdate: December 20 2008 $
.Dt GROUPINFO 8
.Os
.Sh NAME
.Nm groupinfo
.Nd display group information
.Sh SYNOPSIS
.Nm groupinfo
.Op Fl e
.Ar group
.Sh DESCRIPTION
The
.Nm
utility displays the name, group ID (GID),
and members of the specified
.Ar group .
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl e
Do not display anything (quiet mode).
This form of the command is useful for
scripts which need to check whether a particular group
name or GID is already in use on the system.
.El
.Pp
The
.Ar group
argument may be either a group name or a GID.
.Pp
The
.Nm
utility exits 0 if
.Ar group
exists, and non-zero if it does not.
.Sh SEE ALSO
.Xr group 5 ,
.Xr passwd 5 ,
.Xr group 8 ,
.Xr userinfo 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 .
.Sh CAVEATS
If the specified
.Ar group
is the primary group of a user, but that user is not listed as a
member of the
.Ar group
in the
.Xr group 5
file, the
.Nm
utility fails to list that user as a member of the
.Ar group .