Technology Insights

How to Verify a CentOS Linux Server is 32 Bit or 64 Bit

To verify if a system is 32 bit versus 64 bit you can use the uname command. Below are examples of using the uname command from the CLI on a 32 bit system followed by using the uname command on a 64 bit system.

32 Bit CentOS Linux Server


  1. [root@server ~]# uname -a
  2. Linux 2.6.18-92.1.13.el5 #1 SMP Wed Sep 24 19:33:52 EDT 2008 i686 i686 i386 GNU/Linux