SAVE command syntax

>>-+-SAVE.-+--+-+-PFKS-+-----------------------+---------------><
   '-S-----'  | '-P----'                       |   
              +-+-SCREEN-+---------------------+   
              | '-S------'                     |   
              |             .-default_window-. |   
              '-+-WINDOW-+--+----------------+-'   
                '-W------'  '-window_name----'