SAVE EXTENDED TPU

 Creates a section file, saving your current key definitions and other
 extensions for future editing sessions.  (Same as SAVE EXTENDED EVE.)

 The default file type is .TPU$SECTION.

 Example:

    The following command creates a section file called MYSEC.TPU$SECTION
    in your current (default) directory:

       SAVE EXTENDED TPU mysec

 A section file is cumulative, saving your current key definitions, learn
 sequences, and other extensions -- and any already saved in the section
 file you are currently using.  Effectively you create your own customized
 version of EVE.

 For more information, see help on Section Files.