echo "Please enter your favorite operating system, "
echo -n "linux, macosx, windows, amigados, or beos: "
read os

case $os in

linux)
    echo "Way cool, you like Linux."
;;
macosx)
    echo "You like Roman numerals."
;;
windows)
    echo "Time to check for a virus."
;;
amigados)
    echo "AmigaDOS will never die."
;;
beos)
    echo "Count yourself lucky."
;;
*) 
    echo "Why did you choose $os?"
;;
esac