1.\"- 2.\" Copyright (c) 1983, 1988, 1990, 1993 3.\" The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 14.\" may be used to endorse or promote products derived from this software 15.\" without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" 29.\" From: @(#)hostname.1 8.1 (Berkeley) 5/31/93 30.\" 31.Dd April 22, 2013 32.Dt DOMAINNAME 1 33.Os 34.Sh NAME 35.Nm domainname 36.Nd set or print name of current YP/NIS domain 37.Sh SYNOPSIS 38.Nm 39.Op Ar ypdomain 40.Sh DESCRIPTION 41The 42.Nm 43utility prints the name of the current YP/NIS domain. 44The super-user can 45set the domain name by supplying an argument; this is usually done with the 46.Va nisdomainname 47variable in the 48.Pa /etc/rc.conf 49file, normally run at boot 50time. 51.Sh NOTES 52The YP/NIS (formerly ``Yellow Pages'' but renamed for legal reasons) 53domain name does not necessarily have anything to do with the Domain 54Name System domain name, although they are often set equal for administrative 55convenience. 56.Sh SEE ALSO 57.Xr getdomainname 3 , 58.Xr rc.conf 5 59.Sh HISTORY 60The 61.Nm 62command appeared in 63.Fx 1.1 , 64based on a similar command in 65.Tn SunOS . 66