history is hard

[Toby Thain]

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
>     >
>