HOSTID(1) — UNIX Programmer’s Manual
NAME
hostid − set or print identifier of current host system
SYNOPSIS
hostid [ identifier ]
DESCRIPTION
The 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.
SEE ALSO
4.2 Berkeley Distribution — May 5, 1986