#!/bin/bash #接受一个参数: #add: 添加用户user1..user10 #del: 删除用户user1..user10 #其它:退出 #定义变量 ADD=add DEL=del #判断参数输入是否正确 if [ $# -ne 1 ]; then echo "Usage:./shell.sh add|del." exit 1 #输入add,添加用户 elif [ $1 = $ADD ]; then for I in {1..10}; do if ! id "u
===========================================================================================[admin@localhost ~]$ sudo vim /etc/sudoersWe trust you have received the usual lecture from the local SystemAdministrator. It usually boils down to these three