1 #!/bin/bash 2 # Program 3 # User inputs 2 integer numbers:program will cross these two numbers. 4 # History: 5 # 2015/9/6 zengdp First release 6 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin 7 export PATH 8 echo -e "You SHOULD input 2 numbers, I will cross then! " 9 read -p "first number: " firstnu 10 read -p "second number: " secnu 11 total=$(($firstnu*secnu)) 12 echo -e " The result of $firstnu x $secnu is ==> $total"