history is hard

Toby Thain toby at telegraphics.com.au
Sun May 24 12:04:01 CDT 2020

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.


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

> bill

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