#!/bin/bash

read userNumber


if (( "$userNumber" == "1" )); then
echo "Today's date is: `date +"%D"`";
elif (( "$userNumber" == "2" )); then
echo `ls -l`;
elif (( "$userNumber" == "3" )); then
echo `who`;
else
echo "Please enter 1, 2 or 3";
fi