Merge branch 'shell' of github.com:gov360/shell into shell

case.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# case-menu: a menu driven system information program
+clear
+echo "
+Please Select:
+1. Display System Information
+2. Display Disk Space
+3. Display Home Space Utilization
+0. Quit
+"
+read -p "Enter selection [0-3] > "
+case $REPLY in
+    0)  echo "Program terminated."
+        exit
+        ;;
+    1)  echo "Hostname: $HOSTNAME"
+        uptime
+        ;;
+    2)  df -h
+        ;;
+    3)  if [[ $(id -u) -eq 0 ]]; then
+            echo "Home Space Utilization (All Users)"
+            du -sh /home/*
+        else
+            echo "Home Space Utilization ($USER)"
+            du -sh $HOME
+        fi
+        ;;
+    *)  echo "Invalid entry" >&2
+        exit 1
+        ;;
+esac