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The Computer Journal, Volume 16, Issue 4, pp. 331-346: Abstract.

EMAS - the Edinburgh multi-access system

H Whitfield and AS Wight

Department of Computer Science, University of Edinburgh, The King's Buildings, Mayfield Road, Edinburgh, UK

EMAS is a general-purpose time-sharing system for the ICL System 4-75 computer, with provision for fully interactive and background processing. It is a virtual memory system with a three level storage hierarchy.

An outline description of the system is given together with a more detailed description of the paging and scheduling software, which is based on the working set concept. Detailed performance figures are included.

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