UNIX for Dummies Questions & Answers

#!/bin/bash
# iOS-Ad-Remover
# Marshall Ford @ marshallbford@ gmail.com
# This project is hosted @ http://ios-ad-
# remover.sourceforge.net
# Under the GNU GPL open source license
clear
date
echo
if [ `id -u` != 0 ]; then echo "You need to be root to run this script."; exit 0;
echo
fi
echo
echo "Welcome to iOS-Ad-remover Beta 0.1"
sleep 2
echo
echo "This script is similar to Adblock
in that it will remove ads from most apps,
some websites, and in Cydia."
sleep 1
echo
echo "You will need to meet the following
requirements..."
sleep 3
echo
echo "1. iFile installed and up to date"
sleep 3
echo
echo "2. The modified (hosts) file
that came with this script must located 
@ /var/mobile/Media/Downloads"
sleep 3
echo
echo "3. This script must be located
@ /var/mobile"
sleep 3
echo
echo "Have you completed the requirements
and still want to continue?"
echo
echo "y or n?"
sleep 1
read answer
# if [ "$answer" == 'y' ]; then
 echo "Backing-up"
 cd ..
 cd ..
 cd var/mobile/Media/Downloads
 mkdir backup
 cd ..
 cd ..
 cd ..
 cd ..
 cd etc
 cp fhosts /var/mobile/Media/Downloads/backup
 cd ..
 cd ..
 cd ..
 cd ..
 cd ..
 cd etc
 rm fhosts
fi
# if [ "$answer" == 'n' ]; then
 echo "Ad removal stopped by user."
 sleep 2
 echo "Good Bye"
 sleep 3
#end script

set -x