Either that, or he really thought the machine was a mainframe, and he
thought it was DOS/VSE.  MS-DOS is not DOS.  MS-DOS is MS-DOS.  DOS is
DOS.  DOS is a mainframe operating system from the mid/late 60s.

Peace...  Sridhar

On Sat, 23 Jun 2001, Matthias Buelow wrote:

> jonl@yubyub.net writes:
> 
> >I think it's the direct and indirect interfaces.  Could he be speaking of
> >addressing modes?  Do you think for DOS he means CP/M (that never ran on
> >PDPs, did it? I thought it was developed there, but never really made it
> >past that)...
> 
> CP/M was available for the 8080/Z80 architecture, the immediate
> 8-bit predecessor to the 8086-based line of junk we still have
> as PCs today (later, CP/M 86 was available for 8086 PCs aswell
> but that was a rather irrelevant part of history.)
> He probably saw RT-11 or RSX-11 and mistook it for DOS (DOS, CP/M
> and of course VMS all derive their look&feel somewhat from early
> DEC systems.)
> 
> --mkb
>