1.\" $NetBSD: nologin.8,v 1.10 2016/09/12 05:23:32 sevan Exp $ 2.\" 3.\" Copyright (c) 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)nologin.8 8.1 (Berkeley) 6/19/93 31.\" 32.Dd September 12, 2016 33.Dt NOLOGIN 8 34.Os 35.Sh NAME 36.Nm nologin 37.Nd politely refuse a login 38.Sh SYNOPSIS 39.Nm 40.Sh DESCRIPTION 41.Nm 42displays a message that an account is not available and 43returns a non-zero exit code. 44It is intended as a replacement shell field for accounts that 45have been disabled. 46.Sh SEE ALSO 47.Xr login 1 48.Sh HISTORY 49The 50.Nm 51command appeared in 52.Bx 4.4 , 53a free re-implementation was contributed in 54.Nx 1.5 55to avoid bloat through the copyright comment. 56.Sh AUTHORS 57Re-implementation by 58.An Hubert Feyrer Aq Mt hubertf@NetBSD.org . 59