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 <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. >
What do you mean by "Unix had virtualization"? Come to think of it, what do you mean by "OS/360's VM"? 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 >> > >> >>
