Write a menu program to find out whether a given letter is vowel or not

 Write a menu program to find out whether a given letter is vowel or not

# Shell Program to Find whether the Character is Vowel or Not

echo "Enter any character: "

read ch

case $ch in

"a") echo "It is a vowel.";;

"e") echo "It is a vowel.";;

"i") echo "It is a vowel.";;

"o") echo "It is a vowel.";;

"u") echo "It is a vowel.";;

*) echo "It is not a vowel."

esac