minix/usr.sbin/user/userinfo.8

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.\" $NetBSD: userinfo.8,v 1.15 2008/02/27 19:12:56 reed Exp $ */
.\"
.\" Copyright (c) 1999 Alistair G. Crooks. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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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 agc@NetBSD.org .