Deleting Type Files through the IUI To issue the DELETE TYPE command from the IBM® Connect:Direct® IUI, follow this procedure. Select DT from the Administrative Options Menu. Type in the names of the TYPE KEYs that you want to delete. Press ENTER. A list of the deleted records is displayed. If the delete is unsuccessful, a list of the records not deleted is displayed. Press PF3/END to return to the Delete Data Set Type Defaults screen. Use the Delete Data Set Type Defaults message display to verify a successful delete request.