示例:添加一个apache系统组,然后删除
[root@localhost ~]# groupadd -r apache
[root@localhost ~]# tail -1 /etc/group
apache:x:302:
[root@localhost ~]# groupdel apache
[root@localhost ~]# grep -w apache /etc/group
原文:https://www.cnblogs.com/shijunxian/p/12957922.html