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.\" @(#)hostname.1 8.2 (Berkeley) 4/28/95 30.\" $FreeBSD$ 31.\" 32.Dd October 5, 2020 33.Dt HOSTNAME 1 34.Os 35.Sh NAME 36.Nm hostname 37.Nd set or print name of current host system 38.Sh SYNOPSIS 39.Nm 40.Op Fl f 41.Op Fl s | d 42.Op Ar name-of-host 43.Sh DESCRIPTION 44The 45.Nm 46utility prints the name of the current host. 47The super-user can 48set the hostname by supplying an argument; this is usually done in the 49initialization script 50.Pa /etc/rc.d/hostname , 51normally run at boot 52time. 53This script uses the 54.Va hostname 55variable in 56.Pa /etc/rc.conf . 57.Pp 58Options: 59.Bl -tag -width flag 60.It Fl f 61Include domain information in the printed name. 62This is the default behavior. 63.It Fl s 64Trim off any domain information from the printed 65name. 66.It Fl d 67Only print domain information. 68.El 69.Sh EXAMPLES 70Set the host name of the machine and check the result: 71.Bd -literal -offset indent 72$ hostname beastie.localdomain.org 73$ hostname 74beastie.localdomain.org 75.Ed 76.Pp 77Do not show domain information: 78.Bd -literal -offset indent 79$ hostname -s 80beastie 81.Ed 82.Pp 83Show only domain information: 84.Bd -literal -offset indent 85$ hostname -d 86localdomain.org 87.Ed 88.Sh SEE ALSO 89.Xr gethostname 3 , 90.Xr rc.conf 5 91.Sh HISTORY 92The 93.Nm 94command appeared in 95.Bx 4.2 . 96