[TUHS] [COFF] SOSP 1973 [was Multics<->Unix Re: Re: History of cal(1)?

Noel Chiappa via TUHS tuhs at tuhs.org
Sat Sep 20 07:49:20 AEST 2025


    > From: Charles H Sauer

    > For various reasons, lack of commercial dominance, lack of source, ...,
    > there didn't seem to be any specific OS that gained mind share in the
    > O.S. community until Unix did.

Before UNIX, almost all OS's were written in assembler, tying them to one
particular vendor's machines. (Multics, although in PL/I, was so specialized
to the Heneywell architecture it was in the same boat.) UNIX was really the
first portable OS (at least, that I know of - am I wrong?. I suspect thatwas
a large factor too.

	Noel


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