Home → Magazine Archive → January 1983 (Vol. 26, No. 1) → The UNIX time-sharing system → Abstract

The UNIX time-sharing system

By Dennis M. Ritchie, Ken Thompson

Communications of the ACM, Vol. 26 No. 1, Pages 84-89
10.1145/357980.358014


Save PDF
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 a larger operating systems, including: (1) a hierarchical file system incorporating demountable volumes; (2) compatible file, device, and inter-process I/O; (3) the ability to initiate asynchronous processes; (4) system command language selectable on a per-user basis; and (5) over 100 subsystems including a dozen languages. This paper discusses the nature and implementation of the file system and of the user command interface.

The full text of this article is premium content

0 Comments

No entries found