On 5/24/20 1:04 PM, Toby Thain via cctalk wrote:
On 2020-05-24 11:17 AM, Bill Gunshannon via cctalk wrote:
... IBM was doing
Virtualization in the 70's.

1968 and probably before.[1]

Most operating systems concepts[2] are much older than people think.

--T

[1] https://en.wikipedia.org/wiki/History_of_CP/CMS
[2] e.g. ref: Per Brinch Hansen, Classic Operating Systems


bill



I only picked 70's because I used VM370 on a 4331 in 1980
and it was a mature product already then.

bill

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