工作中經常需要檢視系統是32位還是64位,總結方法如下:
注: i386 / i686是32位, x86_64是64位
1>
[[email protected] rkt]$ uname -a
Linux alexPC 2.6.32-71.el6.x86_64 #1 SMP Fri May 20 03:51:51 BST 2011 x86_64 x86_64 x86_64 GNU/Linux
2>
[[email protected] ~]# arch
i686
[[email protected] ~]# arch
x86_64
3>
[[email protected] ~]# getconf LONG_BIT
64