history is hard
Toby Thain
toby at telegraphics.com.au
Sun May 24 15:01:21 CDT 2020
On 2020-05-24 3:20 PM, Warner Losh wrote:
>
>
> On Sun, May 24, 2020, 11:04 AM Toby Thain via cctalk
> <cctalk at classiccmp.org <mailto:cctalk at classiccmp.org>> 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.
>
>
> The topic for my talk next week. Unix had virtualization in 74. The
> second Unix port ran under OS/360's VM in 78.
I thought the Interdata port was second?
--T
>
> Warner
>
>
> --T
>
> [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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