hostid - print the numeric identifier for the current host
Print the numeric identifier (in hexadecimal) for the current host.
display this help and exit
output version information and exit
Written by Jim Meyering.
Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Full documentation <https://www.gnu.org/software/coreutils/hostid>
or available locally via: info '(coreutils) hostid invocation'