On GNU/Linux operating systems, the arch command outputs the architecture identifier string of the current host CPU.

Description

The arch command is the functional equivalent of running the following uname command:

This page describes the arch command. For the operating system, see Arch Linux.

  • Description
  • Syntax
  • Options
  • Examples
  • Related commands
  • Linux commands help

uname -m

The output is an architecture identifier strings, such as i386, i486, i586, i686, x86_64, alpha, sparc, arm, m68k, mips, or ppc.

Syntax

arch [OPTION]

Options

Examples

arch

Displays the architecture of the current host. For example, arch may display ‘sun4’ for a Sun Solaris machine or ‘x86_64’ for the x86 64-bit architecture.

mach — Display the processor of the current system.uname — Print information about the current system.