On Sun, May 24, 2020 at 3:14 PM Peter Coghlan via cctalk < [email protected]> wrote:
> On Sun, 24 May 2020 at 13:20:41 -0600, Warner Losh wrote: > > On Sun, May 24, 2020, 11:04 AM Toby Thain via cctalk < > [email protected]> > > 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. > > > > What do you mean by "Unix had virtualization"? > I mean that 4th edition UNIX ran under a hypervisor in MERT in 74 as a process in that real-time executive. > Come to think of it, what do you mean by "OS/360's VM"? > IBM's standard VM/360. Sorry for the confusion. That will teach me to reply on my phone... Warner > Regards, > Peter Coghlan > > > > > Warner > > > > > > --T > >> > >> [1] https://en.wikipedia.org/wiki/History_of_CP/CMS > >> [2] e.g. ref: Per Brinch Hansen, Classic Operating Systems > >> > >> > > >> > bill > >> > > >> > >> >
