This document is based on the following papers:
"The Atlas Supervisor", by T. Kilburn, R.B. Payne and D.J. Howarth; reprinted with the permission of the American Federation of Information Processing Societies, original copyright holder as appearing in their publication: "Computers - Key to Total Systems Control."
"The Manchester University Atlas Operating System - Part 1, Internal Organization", by T. Kilburn, D.J. Howarth, R.B. Payne and F.H. Sumner; first published in "The Computer Journal", Vol. 4, no. 3, p.222, October 1961.
"The Manchester University Atlas Operating System - Part 2, Users' Description", by D.J. Howarth, R.B. Payne and F.H. Sumner; first published in "The Computer Journal", Vol. 4, no. 3, p. 226, October 1961.
"The Atlas Scheduling System", by D.J. Howarth, P.D. Jones, and M. Wyld; first published in "The Computer Journal", Vol. 5, no. 3, p. 238, October 1962.
The amended versions of the above three papers are published by permission of the Honorary Editors of "The Computer Journal".