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

.\" $OpenBSD: userinfo.8,v 1.12 2008/12/20 09:40:47 jmc Exp $
.\" $NetBSD: userinfo.8,v 1.8 2003/02/14 16:11:37 grant 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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.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
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.\"    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
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.Dd $Mdocdate: December 20 2008 $
.Dt USERINFO 8
.Os
.Sh NAME
.Nm userinfo
.Nd display user information
.Sh SYNOPSIS
.Nm userinfo
.Op Fl e
.Ar user
.Sh DESCRIPTION
The
.Nm
utility displays information about the specified
.Ar user .
The fields shown are defined in
.Xr master.passwd 5 .
The encrypted password is only displayed if the calling user is the
superuser.
.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 user
name or UID is already in use on the system.
.El
.Pp
The
.Ar user
argument may be either a user name or a user ID (UID).
.Pp
The
.Nm
utility exits 0 if
.Ar user
exists, and non-zero if it does not.
.Sh SEE ALSO
.Xr id 1 ,
.Xr passwd 5 ,
.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 .