Architectures and Kernel

1. What kernel am I running?
   

   [root@kvm4 ~]# uname -r
   2.6.32-71.el6.x86_64
   

2. What architecture am I running on?
   

   [root@kvm4 ~]# uname -a
   Linux kvm4.deyu.wang 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
   [root@kvm4 ~]# arch
   x86_64
   

3. Kernel messages
   

   [root@kvm4 ~]# grep kernel /var/log/messages
   Jan  1 08:06:01 kvm4 kernel: imklog 4.6.2, log source = /proc/kmsg started.