1.\" $NetBSD: userinfo.8,v 1.15 2008/02/27 19:12:56 reed Exp $ */ 2.\" 3.\" Copyright (c) 1999 Alistair G. Crooks. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. The name of the author may not be used to endorse or promote 14.\" products derived from this software without specific prior written 15.\" permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 21.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 23.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 26.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 27.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" 30.Dd November 16, 2005 31.Dt USERINFO 8 32.Os 33.Sh NAME 34.Nm userinfo 35.Nd displays user information 36.Sh SYNOPSIS 37.Nm 38.Op Fl e 39.Ar user 40.Sh DESCRIPTION 41The 42.Nm 43utility retrieves the user information from the system. 44The 45.Nm 46utility is only available if built with 47.Dv EXTENSIONS . 48See 49.Xr user 8 50for more information. 51.Pp 52The following command line option is recognised: 53.Bl -tag -width Ds 54.It Fl e 55Return 0 if the user exists, and non-zero if the 56user does not exist, on the system. 57No information is displayed. 58This form of the command is useful for 59scripts which need to check whether a particular user 60name or uid is already in use on the system. 61.El 62.Pp 63The 64.Ar user 65argument may either be a user's name, or a uid. 66.Sh EXIT STATUS 67.Ex -std userinfo 68.Sh SEE ALSO 69.Xr passwd 5 , 70.Xr group 8 , 71.Xr user 8 , 72.Xr useradd 8 , 73.Xr userdel 8 74.Sh HISTORY 75The 76.Nm 77utility first appeared in 78.Nx 1.5 . 79It is based on the 80.Ar addnerd 81package by the same author. 82.Sh AUTHORS 83The 84.Nm 85utility was written by 86.An Alistair G. Crooks 87.Aq agc@NetBSD.org . 88