On 5/22/2020 1:38 PM, Rod Smallwood via cctalk wrote:
I remember sittig in the DEC Ealing (London) Office in 1975 watching a programmer work on TOPS 10

That was DEC's mainframe operating system.

A foot high of printout all in assembler!!!
But remember mainframes after 1960 (compared to the 50's)
where a joy to use with assembly.
Only afer 1975 came out did you have the extra memory
(4K drams) and languages like C with structures did O/S's
change.Ben.


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