[Simh] Regarding "Cutler THE father of VMS" myth

[Ton van Overbeek]

Clem,

Thanks for the reference to the Dijkstra paper.
I had my electrical engineering education at the THE 1968-1974 and our
introduction to programming class
was taught by Dijkstra himself. Of course our exercises had to be programmed
in Algol68 and run on the EL-X8
system described in the paper (entering programs on paper tape with a
flexowriter).
Interesting to read how ‘small’ the machine was in terms of memory and mass
storage.
The actual machine consisted of several cabinets.

Apologies for the off-topic post.

Ton van Overbeek

From:  Clem Cole <clemc at ccc.com>
Date:  Sunday 8 March 2015 21:39
To:  Sergey Oboguev <oboguev at yahoo.com>
Cc:  "simh at trailing-edge.com" <simh at trailing-edge.com>
Subject:  Re: [Simh] Regarding "Cutler THE father of VMS" myth


On Sun, Mar 8, 2015 at 8:23 AM, Sergey Oboguev <oboguev at yahoo.com> wrote:
> If so, he may have a claim to inventing (a hint at) a microkernel concept. ;-)

​Dykstra invented the ukernel -- its the THE kernel:
https://en.wikipedia.org/wiki/THE_multiprogramming_system

The paper itself is
http://uosis.mif.vu.lt/~liutauras/books/Dijkstra%20-%20The%20structure%20of%
20the%20THE%20multiprogramming%20system.pdf

And all kernel hacker should read it some time.  It where the idea of
semaphores are defined and the idea of "up" and "down" - (aka P/V).

Clem​

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