Shell script first-Custom create user and batch create user

Shell Script First-Custom create user and batch create user

1. build Linux users with shell scripts

# vim/root/user.sh

#!/bin/bash

#通过脚本自定义创建用户

read-p " Please enter the user name you want to create : " $

Useradd $

read-p " Please set the user password: " $

Echo " $ " | passwd--stdin $ >/dev/null

#/root/user.sh or # cd/root #./user.sh or #bash user.sh or #. user.sh

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2. create a batch of Linux users with scripts

# vim/root/piuser.sh

#!/bin/bash

#通过脚本批量创建用户

prefix= "Stu" : Define user name prefix

I=1

While [$i-le 20]

Do

useradd ${prefix} $i : Added username: prefix + number

echo "123456" | passwd--stdin ${prefix} $i &>/dev/null

or userdel-r ${prefix} $i &>/dev/null: delete users in bulk

let i++

D One

  or Create user stu1 to stu50, specify Group as student group! Each user needs to set a different password!

#!/bin/bash
For i in ' seq 1 50 '
Do
useradd-g Student Stu$i ;  
echo stu$i | passwd stu$i--stdin
Done

Shell script first-custom create user and bulk create user