檢查Linux 版本

今天找到了一個能100%確認是那一套Linux distribution的指令了，lsb_release，以下列出了cat /etc/issue與lsb_release去確認Linux distribution的結果：

1.lsb_release -a
[root@pollux max]# lsb_release -a
LSB Version:    :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch
Distributor ID: RedHatEnterpriseAS
Description:    Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Release:        4
Codename:       NahantUpdate4

2.cat /etc/issue
[root@pollux max]# cat /etc/issue
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Kernel \r on an \m