LEARN MDS STEP BY STEP
STEP NO. 4
When Program starts, the above graphics is displayed. The Menu bar contains following options.

I. File
II. Add Record
III. Display_Print_Delete
IV. Edit Record
V. Read Me
VI. Exit

Click the  Edit Record option in the MENU bar. The following window will open.
Now click " 11 " file & click open. Edit record no. window will be displayed as follows.
This window displays Record Counter, Total No. of Records in the file and File Name.
Now select the record no. from the record counter for editing and click " CONTINUE " button.
The desired record no. (1st Page) will be displayed for editing as follows.
After Editing this 1st Page, Go to 2nd Page by clicking " NEXT PAGE " button.
After Editing this 2nd Page, Go to 3rd Page by clicking " NEXT PAGE " button.
Now Click the EXIT button (3 Times) to leave Edit Option.
You are back to the Main Menu. 
STEP NO. 4 IS OVER.