1.\" Copyright (c) 1983, 1988, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" From: @(#)hostname.1 8.1 (Berkeley) 5/31/93 29.\" $FreeBSD: src/bin/domainname/domainname.1,v 1.8.2.6 2002/04/22 22:18:50 keramida Exp $ 30.\" $DragonFly: src/bin/domainname/domainname.1,v 1.3 2007/12/16 02:55:37 thomas Exp $ 31.\" 32.Dd September 18, 1994 33.Dt DOMAINNAME 1 34.Os 35.Sh NAME 36.Nm domainname 37.Nd set or print name of current YP/NIS domain 38.Sh SYNOPSIS 39.Nm 40.Op Ar ypdomain 41.Sh DESCRIPTION 42The 43.Nm 44utility prints the name of the current YP/NIS domain. The super-user can 45set the domain name by supplying an argument; 46this is usually done at boot time by setting the 47.Va nisdomainname 48variable in 49.Pa /etc/rc.conf . 50.Sh NOTA BENE 51The YP/NIS (formerly ``Yellow Pages'' but renamed for legal reasons) 52domain name does not necessarily have anything to do with the Domain 53Name System domain name, although they are often set equal for administrative 54convenience. 55.Sh SEE ALSO 56.Xr getdomainname 3 , 57.Xr rc.conf 5 58.Sh HISTORY 59The 60.Nm 61command appeared in 62.Fx 1.1 , 63based on a similar command in 64.Tn SunOS . 65