Arch

The arch command displays your computer's architecture. You can as well use the uname command.

Provided by
Most (all?) Linux distributions incorporate this from the GNU Coreutils: and use its man page

Related Commands
All of these relate to system-wide information.
 * date - Set or show the date and time.
 * nproc - Show the number of cores.
 * uname - Show host and kernel information.
 * hostname - Set or show the host's name.
 * hostid - Show the host's numeric ID.
 * uptime - Show system uptime and recent load averages.

External Link

 * Another Man page