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by adrian_b 15 days ago
Why do you think that the presentation was done in 1964?

On Youtube there is no mention about the date.

OS/360 was announced in 1964 but it was first delivered more than a year later.

I doubt that such presentations were done about a product that no customers could use and which might still be changed until the first deliverable version.

So I believe that it is unlikely that this presentation was done earlier than 1965 and it is likely that it was not done before 1966. The first OS/360 versions were delivered in November/December 1965.
1 comments
haunter 15 days ago
The earlier video from the series, GG46955 IBM SYSTEM/360 READ ONLY STORAGE, is dated to 1964

https://www.youtube.com/watch?v=gcc_SAy-I80

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adrian_b 15 days ago
If the videos are indeed so old, then probably they were not intended for customers but for the internal training of IBM employees, which would match the "CONFIDENTIAL" label.
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haunter 15 days ago
Indeed, he actually adresses that in the first video

>This presentation is one of a series which is intended to present you the systems engineer and salesman some of the advantages of Systems/360

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