>> What are "non-unix operating systems that don't happen to be made by Microsoft". It's a pretty big list. To name a few: Beos (and derivatives), AmigaOS (an

>> What are "non-unix operating systems that don't happen to be made by Microsoft". It's a pretty big list. To name a few: Beos (and derivatives), AmigaOS (and derrivatives), GEOS, Commodore DOS, Temple OS, TRON, plenty of Real Time Operating Systems...