1 1 21.2 ‘arch’: Print machine hardware name 1 ======================================== 1 1 ‘arch’ prints the machine hardware name, and is equivalent to ‘uname 1 -m’. Synopsis: 1 1 arch [OPTION] 1 1 The program accepts the ⇒Common options only. 1 1 ‘arch’ is not installed by default, so portable scripts should not 1 rely on its existence. 1 1 An exit status of zero indicates success, and a nonzero value 1 indicates failure. 1