The steps involved are as follows:
- Login as an ordinary user.
- Open the text editor.
- Open the terminal window.
- Type the following script:

#!/bin/sh
echo “ What is your car model? c”
read car
case”$mycar” in
Ford)
echo “An American car”
echo “Made in Detroit”
;;
Mercedes)
echo “ Are you sure you own one?”
;;
*)
echo “Never heard car”
esac

- Save the script with a name testscript.
- Type command in terminal chmod 777 testscript.
- Type ./myscript21   _{Your Comment}