lsb_release 取代 /etc/issue 查詢 Distribution information

只要安裝 redhat-lsb
再下 lsb_release -a 即可

LSB Version:    :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: FedoraCore
Description:    Fedora Core release 6 (Zod)
Release:        6
Codename:       Zod