linux批量创建用户密码为user后面跟5个随机字符

#!/bin/bash
#description: useradd
for i in seq 1 20
do
pwd=$(cat /dev/urandom | head -1 | md5sum | head -c 5)
#passwd=echo $RANDOM | md5sum | cut -c 1-5
useradd user$i echo "user$i$pwd" | passwd --stdin user$i
echo user$i user$i$pwd" >> userinfo.txt
done

来源：CSDN

作者：ko_oi

链接：https://blog.csdn.net/ko_oi/article/details/103400323