arch invocation (GNU Coreutils 9.0)
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Coreutils/docs/latest/arch-invocation
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21.2 arch: Print machine hardware name
arch prints the machine hardware name, and is equivalent to ‘uname -m’. Synopsis:
arch [option]
The program accepts the Common options only.
arch is not installed by default, so portable scripts should not rely on its existence.
An exit status of zero indicates success, and a nonzero value indicates failure.
