Linux—系统管理

编程

查看系统版本

CentOS系统

# centos7查看命令

[root@localhost ~]# cat /etc/os-release

# centos6/7通用命令

[root@localhost ~]# cat /etc/redhat-release

[root@localhost ~]# cat /etc/redhat-release | sed -r "s/.* ([0-9]+)..*/1/"

# centos6/7通用命令

[root@localhost ~]# cat /etc/centos-release

[root@localhost ~]# cat /etc/centos-release | sed -r "s/.* ([0-9]+)..*/1/"

# centos6/7通用命令

[root@localhost ~]# rpm -q centos-release

[root@localhost ~]# rpm -q centos-release | cut -d- -f3

# radhat或centos存在/etc/redhat-release这个文件。【命令 cat /etc/redhat-release】

 

  

 

 

  

 

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