.\" Copyright (c) 1983 Regents of the University of California.
.\" All rights reserved.  The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\"	@(#)hostid.1	6.2 (Berkeley) %G%
.\"
.TH HOSTID 1 ""
.UC 5
.SH NAME
hostid \- set or print identifier of current host system
.SH SYNOPSIS
.B hostid
[ identifier ]
.SH DESCRIPTION
The
.I hostid
command prints the identifier of the current host in hexadecimal.
This numeric value is expected to be unique across all hosts and
is commonly set to the host's Internet address.
The super-user can set the hostid by giving a hexadecimal
argument or the hostname;
this is usually done in the startup script /etc/rc.local.
.SH SEE ALSO
gethostid(2), sethostid(2)