diff --git a/OS TASK b/OS TASK
new file mode 100644
index 0000000..3075cce
--- /dev/null
+++ b/OS TASK	
@@ -0,0 +1,191 @@
+import java.util.List;
+
+
+
+public class CustomerManagerApp {
+
+
+
+    // declare class variables
+
+    private static DAO<Customer> customerDAO = null;
+
+
+
+    public static void main(String[] args) {
+
+        // display a welcome message
+
+        System.out.println("Welcome to the Customer Manager\n");
+
+
+
+        // set the class variables
+
+        customerDAO = new CustomerTextFile();
+
+
+
+        // display the command menu
+
+        displayMenu();
+
+
+
+        // perform 1 or more actions
+
+        String action = "";
+
+        while (!action.equalsIgnoreCase("exit")) {
+
+            // get the input from the user
+
+            action = Console.getString("Enter a command: ");
+
+            System.out.println();
+
+
+
+            if (action.equalsIgnoreCase("1")) {
+
+                displayAllCustomers();
+
+            } else if (action.equalsIgnoreCase("2")) {
+
+                addCustomer();
+
+            } else if (action.equalsIgnoreCase("3") || action.equalsIgnoreCase("delete")) {
+
+                deleteCustomer();
+
+            } else if (action.equalsIgnoreCase("4") || action.equalsIgnoreCase("menu")) {
+
+                displayMenu();
+
+            } else if (action.equalsIgnoreCase("5")) {
+
+                System.out.println("Bye.\n");
+
+            } else {
+
+                System.out.println("Error! Not a valid command.\n");
+
+            }
+
+        }
+
+    }
+
+
+
+    public static void displayMenu() {
+
+        System.out.println("COMMAND MENU");
+
+        System.out.println("1    - List all customers");
+
+        System.out.println("2     - Add a customer");
+
+        System.out.println("3     - Delete a customer");
+
+        System.out.println("4    - Show this menu");
+
+        System.out.println("5    - Exit this application\n");
+
+    }
+
+
+
+    public static void displayAllCustomers() {
+
+        System.out.println("CUSTOMER LIST");
+
+
+
+        List<Customer> customers = customerDAO.getAll();
+
+        Customer c;
+
+        StringBuilder sb = new StringBuilder();
+
+        for (int i = 0; i < customers.size(); i++) {
+
+            c = customers.get(i);
+
+            sb.append(StringUtils.padWithSpaces(
+
+                    c.getName(), 27));
+
+            sb.append(c.getEmail());
+
+            sb.append("\n");
+
+        }
+
+        System.out.println(sb.toString());
+
+    }
+
+
+
+    public static void addCustomer() {
+
+        String firstName = Console.getLine("Enter first name: ");
+
+        String lastName = Console.getString("Enter last name: ");
+
+        String email = Console.getString("Enter customer email: ");
+
+
+
+        Customer customer = new Customer();
+
+        customer.setFirstName(firstName);
+
+        customer.setLastName(lastName);
+
+        customer.setEmail(email);
+
+        customerDAO.add(customer);
+
+
+
+        System.out.println();
+
+        System.out.println(firstName + " " + lastName
+
+                + " has been added.\n");
+
+    }
+
+
+
+    public static void deleteCustomer() {
+
+        String email = Console.getString("Enter email to delete: ");
+
+
+
+        Customer c = customerDAO.get(email);
+
+
+
+        System.out.println();
+
+        if (c != null) {
+
+            customerDAO.delete(c);
+
+            System.out.println(c.getName()
+
+                    + " has been deleted.\n");
+
+        } else {
+
+            System.out.println("No customer matches that email.\n");
+
+        }
+
+    }
+
+}
diff --git a/Student.md b/Student.md
new file mode 100644
index 0000000..0fdb0a6
--- /dev/null
+++ b/Student.md
@@ -0,0 +1,5 @@
+NAME / Omar Elsayed Salim Badawi
++
++
++
+Section 4