I suspect that it might be very well be a corruption
of the story
 about Randy Cook's easter egg in TRS-DOS, that showed up in NewDOS
 prior to NEWDOS80. That one really DID exist. 
On Fri, 4 Mar 2005, Terry Yager wrote:
  That's funny, because the first time I heard the
story a few years back, it
 was a lawsuit between AT&T and SCO over the rights to unix.  (Or was it
 MicroSoft and Xenix...???)  Should this discussion be moved to the urban
 legend mailing list? 
I have invoked the easter egg in TRS-DOS 2.1, 2.2, 2.3, and NewDos 2.1.
Have you seen such an easter egg in any other OS?
--
Grumpy Ol' Fred                     cisin at 
xenosoft.com