UNIX for Dummies Questions & Answers

#######################################################################
#
#This script will perform the menu such as : list file, change catalog,
#file check,
#
#This script was written in UNIX Shell Programming Language
#
########################################################################
menu() {
echo "This script performs the following fucntions:"
echo
echo " 1-List files (Directory)"
echo " 2-Change Directory"
echo " 3-File Check"
echo " 4-Copy File"
echo " 5-Remove File"
echo " 6-Change File Name"
echo " 7-Input File To Screen"
echo " 8-Output File To Printer"
echo " 9-Users Logged In To The Computer"
echo " 10-Who Am I"
echo " 11-Current Directory"
echo " 12-Make A Directory"
echo " 13-Delete Empty Directory"
echo " q-Quit The Menu"
echo
echo " Choose A Function (1/../13 or q for Quit and Press <RETURN> key:"
}
menu
read INPUT
while [ $INPUT != q ]
do
case $INPUT
in
1) menu
echo "Enter directory you want to list"
read DIR
if [ -d $DIR ]
then
cd $DIR
echo "Here is list of the file under $DIR directory"
ls
else
echo "Your input is invalid directory"
fi
echo "Please enter the input"
read INPUT
sleep 2
;;

if someone can plz help me. I could only make first one to work and all of them have to work plz
thank you.

Is this for a homework assignment?

yes it is but i cant figure out how to do it. if u could help me plz

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