man > HOSTID(1)

HOSTID(1)                                   User Commands                                  HOSTID(1)

NAME
       hostid - print the numeric identifier for the current host

SYNOPSIS
       hostid [OPTION]

DESCRIPTION
       Print the numeric identifier (in hexadecimal) for the current host.

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by Jim Meyering.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright  ©  2023 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.

SEE ALSO
       gethostid(3)

       Full documentation <https://www.gnu.org/software/coreutils/hostid>
       or available locally via: info '(coreutils) hostid invocation'

GNU coreutils 9.4                           January 2026                                   HOSTID(1)