#!/bin/bash
#Filename: Assigntest Author: Luke Francis
quit=n
while [ "$quit" = "n" ]
do
  clear
  echo "OPERATOR ADMINISTRATIVE TOOL"
  echo "1. User Information"
  echo "2. Network Connectivity"
  echo "3. Processes"
  echo "4. System Information"
  echo "5. Hardware Utilization"
  echo "Q. Quit"
  echo
  echo "Which option do you require?"
  read menunumber
  case $menunumber in
       1)clear
         echo "USER INFORMATION"
         echo "1. Registered Users"
         echo "2. Disk Usage"
         echo "3. Last Logins"
         echo "4. Users Currently Logged In"
         echo "5. Total number of users"
         echo "Q. Quit"
         echo "Which option do you require?"
         read menunumber2
         case $menunumber2 in
              1)clear
                echo "The users registered on the system are:"
                echo
                awk -F: '{print $1}' /etc/passwd
                echo
                echo "Hit the Enter Key to continue"
                read junk;;
              2)clear
                echo "Disk Usage is as follows:"
                echo
                du
                echo
                echo "Hit Enter Key to continue"
                read junk;;
              3)clear
                echo "Information on last noted login can be found next to each username."
                echo
                last
                echo
                echo "Hit Enter Key to continue"
                read junk;;
              4)clear
                echo "Users currently logged in are:"
                echo
                w
                echo
                echo "Hit Enter Key to continue"
                read junk;;
              5)clear
                echo "The total number of users are:"
                echo
                who -q
                echo
                echo "Hit Enter Key to continue"
                read junk;;
              Q|q)clear
                  echo "Are you sure you want to quit? Y/N"
                  read choice1
                  case $choice1 in
                       N|n)clear
                           echo "Hit Enter Key to continue"
                           read junk;;
                       Y|y)quit=y;;
                         *)clear
                       sleep 1;;
                  esac
                  ;;
         esac
         ;;
       2)clear
         echo "NETWORK CONNECTIVITY"
         echo
         echo "1. NIC Status"
         echo "2. Machine Availability"
         echo
         echo "Which option do you require?"
         read menunumber4
         case $menunumber4 in
              1)clear
                echo "Information reagrding NIC status can be found below:"
                echo
                /sbin/ifconfig
                echo
                echo "Hit the Enter Key to continue"
                read junk;;
              2)clear
                echo "Available hosts and addresses are shown below:"
                echo
                cat /etc/hosts
                echo
                echo "Hit Enter Key to continue"
                read junk;;
         esac
         ;;
       Q|q)clear
           echo "Are you sure you want to quit? Y/N"
           read choice2
           case $choice2 in
                N|n)clear
                    echo "Hit Enter key to continue"
                    read junk;;
                Y|y)quit=y;;
                  *)clear
                sleep 2;;
           esac
           ;;
  esac
done
clear
echo "Thank you for using the Operator Administrative Tool"