history is hard

[Toby Thain]

On 2020-05-24 4:13 PM, Warner Losh wrote:
> 
> 
> On Sun, May 24, 2020 at 2:01 PM Toby Thain <toby at telegraphics.com.au
> <mailto:toby at 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 at classiccmp.org <mailto:cctalk at classiccmp.org>
>     <mailto:cctalk at classiccmp.org <mailto:cctalk at 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
>     >     >
>     >
>