24 May
2020
24 May
'20
1:01 p.m.
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:
I thought the Interdata port was second?
--T
... 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.
Warner
--T
[1] https://en.wikipedia.org/wiki/History_of_CP/CMS
[2] e.g. ref: Per Brinch Hansen, Classic Operating Systems
bill