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在CentOS中想查看发行版信息，输入了lsb_release -a 命令却报错了，通过输入以下命令进行安装
yum install redhat-lsb -y
然后继续查看发行版信息
[root@localhost ~]# lsb_release -a LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch Distributor ID: CentOS Description: CentOS Linux release 7.2.1511 (Core) Release: 7.2.1511 Codename: Core
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原文地址：http://www.cnblogs.com/tdcqma/p/5662198.html
