[rescue] Closet cleaning IV

Mike Meredith mike at blackhairy.demon.co.uk
Sat Sep 13 19:03:44 CDT 2003

On Sat, 13 Sep 2003 19:08:20 -0400 (EDT)
vance at neurotica.com wrote:

> On Sat, 13 Sep 2003, Mike Meredith wrote:
> > A late-comer then. Manchester University's Atlas computer had
> > virtual memory and paging in 1962 although virtual memory was
> > supposedly invented in 1959.
> But CP/67 is a commercial operating system.


In fact I believe the University of Manchester delivered a few Atlas's
to other Universities technically making it commercial. Also the Atlas
was developed in co-operation with Ferranti who delivered it to
commercial customers from 1962-1967.

Looking at the details, it seem that the predecessor had a programming
language that effectively simulated an equivalent to virtual memory in

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