In article <1...@calmasd.CALMA.UUCP> j...@calmasd.CALMA.UUCP (John McNally) writes:Did Xerox really BUILD the Sigma-7, or did they BUY it? The Sigma-7 was
>... Xerox also built the SIGMA-7 computer - the first
>good time-sharing machine - way ahead of its time, it even
>pre-dated the IBM 360 (TSO - yyuk!). How many people have ever
>heard of the SIGMA series of multi-user computers?
produced by Scientific Data Systems as a successor to their earlier 940
(which some considered a fairly good, though kludgy, time-sharing machine).
Xerox liked SDS so well they bought the company (like the guy with the
electric razors), thereby making Max Palevsky their largest single
stockholder and a very wealthy man.
I'll confess some fuzziness on chronology. I worked for SDS in the summer
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