HOSTNAME(1) General Commands Manual HOSTNAME(1)
hostname – set or print name of current host system
hostname [-fs] [name-of-host]
The hostname utility prints the name of the current host. The super-user
can set the hostname by supplying an argument. To keep the hostname
between reboots, run ‘scutil --set HostName name-of-host’.
-f Include domain information in the printed name. This is the default
-s Trim off any domain information from the printed name.
The hostname command appeared in 4.2BSD.
macOS 12.1 December 7, 2006 macOS 12.1