Listing 2: menxshell--Allows users menu access to applications

# MENXSHELL
# A Generic script to let users establish a menu access to
# applications and prevent users from directly accessing the shell.
#
# This shell is written under the Korn shell and may have to be
# adapted for other shell environments.

# Set up the trap to prevent attempts to exit from the shell using
# system breaks, i.e. ^C, ^D, etc.

trap "" 1 2 3 14 15
PATH = $PATH:/etc:/bin  #customize your path as needed
#be sure to include directories
#to your applications

DBPATH=/database/dir    #customize your database path
#for your system if necessary
#if not needed comment this
#statement out.

TERM=vt100              #standardize your terminal environment
#customize as necessary

#Set up any other environment parameters you may need that are
#important to your system for applications that are accessible
#through this menu

export PATH DBPATH TERM       #Setting your environment parameters


while true
do
clear
echo "
MENX SHELL MENU

MAIN MENU

1.) Access Database
2.) Go to Report Menu
3.) Who is logged on
4.) Exit

Please enter your choice:      "

read selection
case $selection in

1) dbms       #Enter Command or shell script here to run
;;         #database application

2) clear
rpt.sh     #Shell script to bring up a reports submenu
;;

3) clear
user.sh    #Another example of executing a shell script
;;

4) exit       #Exit from the menu
;;

#Note: Continue menu as necessary

esac
done