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The Atlas Supervisor was the program which managed the allocation of processing resources of Manchester University's Atlas Computer so that the machine was able to act on many tasks and user programs concurrently. Its various functions included running the Atlas computer's
virtual memory In computing, virtual memory, or virtual storage is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" which "creates the illusion to users of a very l ...
(Atlas Supervisor paper, section 3, Store Organisation) and is ‘considered by many to be the first recognisable modern operating system’.
Brinch Hansen Per Brinch Hansen (13 November 1938 – 31 July 2007) was a Danish-American computer scientist known for his work in operating systems, concurrent programming and parallel and distributed computing. Biography Early life and education Per ...
described it as "the most significant breakthrough in the history of operating systems."


References

;Notes ;Bibliography * *


External links


The Atlas Supervisor paper (T Kilburn, R B Payne, D J Howarth, 1962)
1962 software Discontinued operating systems {{operating-system-stub