\" $NetBSD: userinfo.8,v 1.15 2008/02/27 19:12:56 reed Exp $ */
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\" Copyright (c) 1999 Alistair G. Crooks.  All rights reserved.
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Dd November 16, 2005
Dt USERINFO 8
Os
Sh NAME
Nm userinfo
Nd displays user information
Sh SYNOPSIS
Nm
Op Fl e
Ar user
Sh DESCRIPTION
The
Nm
utility retrieves the user information from the system.
The
Nm
utility is only available if built with
Dv EXTENSIONS .
See
Xr user 8
for more information.
Pp
The following command line option is recognised:
Bl -tag -width Ds
It Fl e
Return 0 if the user exists, and non-zero if the
user does not exist, on the system.
No information is displayed.
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 either be a user's name, or a uid.
Sh EXIT STATUS
Ex -std userinfo
Sh SEE ALSO
Xr passwd 5 ,
Xr group 8 ,
Xr user 8 ,
Xr useradd 8 ,
Xr userdel 8
Sh HISTORY
The
Nm
utility first appeared in
Nx 1.5 .
It is based on the
Ar addnerd
package by the same author.
Sh AUTHORS
The
Nm
utility was written by
An Alistair G. Crooks
Aq [email protected] .