Jean E. Sammet
Pages 361-362
W. D. Frazer, P. Weiner
Pages 363-364
UNIX is a general-purpose, multi-user, interactive operating system for the Digital Equipment Corporation PDP-11/40 and 11/45 computers. It offers a number of features seldom found even in larger operating systems, including: …
Dennis M. Ritchie, Ken Thompson
Pages 365-375
This article investigates the application of minimal-total-processing-time (MTPT) scheduling disciplines to rotating storage units when random arrival of requests is allowed. Fixed-head drum and moving-head disk storage units …
Samuel H. Fuller
Pages 376-381
Sequencing to minimize mean finishing time (or mean time in system) is not only desirable to the user, but it also tends to minimize at each point in time the storage required to hold incomplete tasks. In this paper a deterministic …
J. Bruno, E. G. Coffman, R. Sethi
Pages 382-387
The design of mechanisms to control the sharing of information in the Multics system is described. Five design principles help provide insight into the tradeoffs among different possible designs. The key mechanisms described
…
Jerome H. Saltzer
Pages 388-402
Various addressing schemes making use of segment tables are examined. The inadequacies of these schemes when dealing with shared addresses are explained. These inadequacies are traced to the lack of an efficient absolute address …
R. S. Fabry
Pages 403-412
Virtual machine systems have been implemented on a limited number of third generation computer systems, e.g. CP-67 on the IBM 360/67. From previous empirical studies, it is known that certain third generation computer systems …
Gerald J. Popek, Robert P. Goldberg
Pages 412-421
CORPORATE CACM Staff
Page 425
