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

[Charles H. Sauer (he/him) via COFF]

On 9/19/2025 5:45 PM, Dave Horsfall via COFF wrote:
> On Fri, 19 Sep 2025, Noel Chiappa via COFF wrote:
> 
>> 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.
> 
> Burroughs' MCP (Master Control Program) was written in ALGOL, but again it
> was specific to the hardware (which basically was an ALGOL machine).
> 
> (I used one once; I think it was a B-1500, but I've long since lost the
> manual)
> 
> -- Dave

And there were Lisp machines...
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