shell_for

添加用户：useradd yang04

设置密码：passwd "yang04:123" | chpasswd

提示修改密码：passwd -e yang04

 

小练习1

#!/bin/bash

for (( i=1; i<=10; i++ )); do
echo "${i}"
done

 

小练习2

创建txt文件，将用户放入进行循环

cat for_adduser.txt：

xiang01
xiang02
xiang03

 

cat for_adduser.sh：
#! /bin/bash

#for u in u1 u2 u3 yang04; do
for u in $(cat /home/yang01/桌面/shell/for_adduser.txt); do
useradd "${u}"
passwd "${u}:123" | chpasswd &> /dev/null && echo "${U}创建成功" || echo "${U}创建失败"
passwd -e "${u}" &> /dev/null
done