#!/bin/bash
# nhap chmod +x CheckLogin.sh truoc khi chay
# CheckLogin.sh
#

dem=1
while [ $dem -le 3 ];
do
	echo "Lan: $dem"
	echo 	#new line
	echo "Enter Username: "
	read user
	echo "Enter Password: "
	read pass

	count=1;
	if [[ $user == "ABC" && $pass == "123" ]];
	then
		clear
		echo -n "Welcome!!!"
		echo
		exit 1	 #exit

	else
		clear
		echo
		echo -n "Something is Wrong!!!"
		echo
		dem=$[$dem+1]
	fi
done
dem=$[$dem-1] # dem =4; tru 1

if [ $dem -eq 3 ]; then
echo
echo "Ban nhap sai $dem lan, cho nen may ban se phai khoi dong lai :)"
#shutdown -r
fi