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 Report bugs to: bug-coreutils@gnu.org GNU coreutils home page: General help using GNU software: Report any translation bugs to COPYRIGHT Copyright (C) 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . 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 or available locally via: info '(coreutils) hostid invocation' GNU coreutils 9.11 July 2026 HOSTID(1)