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

Charles H Sauer (he/him) via TUHS tuhs at tuhs.org
Sat Sep 20 07:59:36 AEST 2025



On 9/19/2025 4:49 PM, Noel Chiappa wrote:
>      > 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

Emphasis on "portable," since there seemed to be so many competing 
processor architectures. Charlie
-- 
voice: +1.512.784.7526       e-mail: sauer at technologists.com
fax: +1.512.346.5240         Web: https://technologists.com/sauer/
Facebook/Google/LinkedIn/mas.to: CharlesHSauer



More information about the TUHS mailing list