How can we see whether the CentOS system is 32-bit or 64-bit ?, Centos 32-bit

How can we see whether the CentOS system is 32-bit or 64-bit ?, Centos 32-bit

How can we see whether the CentOS system is 32-bit or 64-bit?

32-bit system:

[root@localhost ~]# file /sbin/init/sbin/init: ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped[root@localhost ~]# file /bin/ls/bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped

64-bit system:

[root@localhost ]# file /sbin/init/sbin/init: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped[root@localhost ]# file /bin/ls/bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped[root@localhost ]# uname -aLinux localhost.localdomain 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux