以下命令可以查看：
[root@linuxeye ~]## lsb_release -a (yum -y install redhat-lsb)
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: RedHatEnterpriseServer
Description: Red Hat Enterprise
Linux Server release 5.4 (Tikanga)
Release: 5.4
Codename: Tikanga
uname命令適用於所有的linux，包括Redhat、SuSE、Debian等發行版。
[root@linuxeye ~]# uname
Linux
[root@linuxeye ~]# uname -r
2.6.18-164.el5PAE
以下二種方法適用於RedHat,
CentOS
[root@linuxeye ~]#
cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.4 (Tikanga)
[root@linuxeye ~]# rpm -q redhat-release
redhat-release-5Server-5.4.0.3
