1、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

這個命令適用于所有的Linux發行版，包括RedHat、SUSE、Debian…等發行版。

2、cat /etc/redhat-release，這種方法只適合Redhat系的Linux

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

3、cat /etc/issue，此命令也適用于所有的Linux發行版

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

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