批量添加用户，并且第一次登陆需要输入密码

if [ ! -f account.txt ]; then
	echo "The file do not exist!"
	exit 1
fi

username=$(cat account.txt)

for username in $username
do
	useradd $username
	echo $username | passwd --stdin $username
	chage -d 0 $username
done

用户列表在account.txt文件里