[小技巧] 查看Linux发行版的版本信息

$ lsb_release -a

LSB Version:    :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch

Distributor ID: CentOS

Description:    CentOS release 6.5 (Final)

Release:        6.5

Codename:       Final