Gavin writes:
> I've got MFT, MVT, VM/370 R6, and MVS 3.8J running on my PC thanks to the
> Hercules 370/390 emulator and IBM's having not have copyrighted their
early
> OS versions for some reason.
>
> It can be rather entertaining to have your very own personal mainframe.
Probably quicker, too. :)
I guess "entertaining" answers the question: Why??
--Glenn