ENTER THE LINE NUMBER THAT YOU			 
     WISH TO BEGIN THE NUMBER OVERLAY ON FOR THE FILE SELECTED
     THEN ENTER A CONTROL Z				
     							
     WARNING: IF ONLY ONE DIGIT IS ENTERED BE SURE TO ALSO ENTER A 
     CARRIAGE RETURN SINCE THE SYSTEM WILL LOOSE A SINGLE	
     CHARACTER. IF YOU FORGET THIS THE EFFECT WILL BE AS IF YOU
     HAD TYPED IN A ZERO. 					
     							
     THE FIRST LINE IN THE FILE IS BY DEFAULT LINE # 1.	
     A NULL OR ZERO DEFAULTS TO LINE ONE.