Displays the hardware architecture type of the current host
arch [OPTION]...
Print machine architecture information; arch command output results include: i386, i486, i586, alpha, sparc, arm, m68k, mips, ppc, i686, etc.
arch
--help Display help information and exit. --version Display version information and exit.
[root@localhost ~]# arch x86_64
This command is equivalent to uname -m.
uname -m
This command is a command in the GNU coreutils package. For related help information, please see man -s 1 arch, info coreutils 'arch invocation'.
GNU coreutils
man -s 1 arch
info coreutils 'arch invocation'