arch and uname

commandline session

$arch
i686
$uname -m
i686
$arch --help
Usage: arch [OPTION]...
Print machine architecture.

      --help     display this help and exit
      --version  output version information and exit

Report arch bugs to bug-coreutils@gnu.org
GNU coreutils home page: 
General help using GNU software: 
For complete documentation, run: info coreutils 'arch invocation'
$

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