On 2020-05-24 4:13 PM, Warner Losh wrote: > > > On Sun, May 24, 2020 at 2:01 PM Toby Thain <t...@telegraphics.com.au > <mailto:t...@telegraphics.com.au>> wrote: > > On 2020-05-24 3:20 PM, Warner Losh wrote: > > > > > > On Sun, May 24, 2020, 11:04 AM Toby Thain via cctalk > > <cctalk@classiccmp.org <mailto:cctalk@classiccmp.org> > <mailto:cctalk@classiccmp.org <mailto: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. > > I thought the Interdata port was second? > > > Wollongong to the interdata 7/32 was April of 77. Went into production > July 77. > Bell Labs to the closely related interdata 8/32 was June of 77. Never > went into production, but portability fixes plowed back into V7. > Tom Lyons had his booting to a similar level around May of 77 ("end of > his junior year"), though he wasn't hired by Amdahl unti the following > summer and he reports having the full V6 up early in 1979. V7 up later > in the year when they got it from AT&T. > > I kinda lump the two interdata ports together as 'the first' and I don't > have good dates for when Tom Lyons booted beyond hello-world, or what > the benchmark for 'first' should be.
Thanks for the detail! I meant "second after PDP-11" so the confusion was only an off-by-one error. --Toby > > Warner > > --T > > > > > Warner > > > > > > --T > > > > [1] https://en.wikipedia.org/wiki/History_of_CP/CMS > > [2] e.g. ref: Per Brinch Hansen, Classic Operating Systems > > > > > > > > bill > > > > > >