查看操作系统版本(Linux)

有几种方式可以看操作系统的版本：

Example:

1. [root@oueedim62 ~]# uname -a

Linux oueedim62.emea.nsn-net.net 2.6.18-128.el5 #1 SMP Wed Dec 17 11:41:38 EST 2008 x86_64 x86_64 x86_64 GNU/Linux

el5 就是Enterprise Linux 5

2. [root@oueedim62 ~]# cat /etc/redhat-release

Red Hat Enterprise Linux Server release 5.3 (Tikanga)

登录到linux执行cat /etc/redhat-release,这种方式下可以直接看到具体的版本号，比如:Red Hat Enterprise Linux Server release 5.1 (Tikanga)

3. [root@oueedim62 ~]# rpm -q redhat-release

redhat-release-5Server-5.3.0.3

4. [root@oueedim62 ~]# cat /proc/version

Linux version 2.6.18-128.el5 ([e-mail]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)) #1 SMP Wed Dec 17 11:41:38 EST 2008

5. [root@oueedim62 ~]# lsb_release -a 

LSB Version:    :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch

Distributor ID: RedHatEnterpriseServer

Description:    Red Hat Enterprise Linux Server release 5.3 (Tikanga)

Release:        5.3

Codename:       Tikanga

登录到服务器执行 lsb_release -a ，即可列出所有版本信息,这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。

6. [root@oueedim62 ~]# cat /etc/issue

Red Hat Enterprise Linux Server release 5.3 (Tikanga)

Kernel \r on an \m