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Linux and Unix arch command

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

About arch
arch syntax
arch examples
Related commands
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About arch

Display the architecture of the current host.


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

uname -m

On current Linux systems, arch output includes such architectures as "i386", "i486", "i586", "alpha", "sparc", "arm", "m68k", "mips", "ppc".

arch syntax

arch [OPTION]


--help Display a help message, and exit.
--version Output version information, and exit.

arch examples


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.