On Sun, May 24, 2020, 11:04 AM Toby Thain via cctalk <cctalk@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. Warner --T > > [1] https://en.wikipedia.org/wiki/History_of_CP/CMS > [2] e.g. ref: Per Brinch Hansen, Classic Operating Systems > > > > > bill > > > >