linux常用命令及用法（电脑最常用的命令大全）

摘要： #查看系统信息#查看系统各版本号#查看系统版本信息#查看当前系统版本号#查看当前系统版本...

#查看系统信息

#查看系统各版本号#查看系统版本信息

#查看当前系统版本号#查看当前系统版本

#查看当前系统是否为centos7#查看系统版本信息

#查看系统版本号#查看当前系统是否已经安装centos8#查看是否安装centos9

[root@localhost~]#cat/etc/redhat-release|grep"/etc/redhat-release"|sed'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'

[root@localhost~]#cat/etc/redhat-release|grep"/etc/redhat-release"|sed'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'

[root@localhost~]#cat/etc/redhat-release|grep"/etc/redhat-release"|sed'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'

[root@localhost~]#cat/etc/redhat-release|grep"/etc/redhat-release"|sed'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'/etc/redhat-release'

希望对你有帮助，以上就是关于linux常用命令的常用例子！