一、查詢系統的版本信息
①[root@localhost ~]# cat /etc/issue
CentOS release 6.6 (Final)
Kernel \r on an \m
②[root@localhost ~]# rpm -qa | grep centos-release
centos-release-6-6.el6.centos.12.2.x86_64
③[root@localhost ~]# cat /etc/centos-release
CentOS release 6.6 (Final)
二、查詢系統的內核信息
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:35 EDT 2010 i686 i686 i386 GNU/Linux
三、查詢centos與redhat的版本對應信息
[root@localhost ~]# cat /proc/version
Linux version 2.6.32-504.el6.x86_64 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) ) #1 SMP Wed Oct 15 04:27:16 UTC 2014