查看Linux系统版本和系统内核版本

一、查看Linux系统版本的命令

1、cat /etc/issue，此命令也适用于所有的Linux发行版。

[root@S-CentOS home]# cat /etc/issue
　　CentOS release 6.5 (Final)
　　Kernel \r on an \m

2、cat /etc/redhat-release，这种方法只适合Redhat系的Linux：

[root@S-CentOS home]# cat /etc/redhat-release
　　CentOS release 6.5 (Final)

3、lsb_release -a，即可列出所有版本信息：

[root@S-CentOS ~]# lsb_release -a
　　LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
　　Distributor ID: CentOS
　　Description: CentOS release 6.5 (Final)
　　Release: 6.5
　　Codename: Final

二、查看Linux内核版本命令（两种方法）：

1、cat /proc/version

[root@S-CentOS home]# cat /proc/version
　　Linux version 2.6.32-431.el6.x86_64 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC) ) #1 SMP Fri Nov 22 03:15:09 UTC 2013

2、uname -a

[root@S-CentOS home]# uname -a

Linux S-CentOS 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