UNIX分时系统

D. Ritchie, K. Thompson
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引用次数: 1453

摘要

UNIX *是为较大的数字设备公司PDP-11和Interdata 8/32计算机设计的通用、多用户、交互操作系统。它提供了许多甚至在大型操作系统中也很少发现的特性,包括(i)包含可拆卸卷的分层文件系统,(ii)兼容文件、设备和进程间i /O, (iii)启动异步进程的能力,(iv)可根据每个用户选择的系统命令语言,(v)包括十几种语言的100多个子系统,(vi)高度可移植性。本文讨论了文件系统和用户命令界面的性质和实现。
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The UNIX time-sharing system
UNIX∗ is a general-purpose, multi-user, interactive operating system for the larger Digital Equipment Corporation PDP-11 and the Interdata 8/32 computers. It offers a number of features seldom found even in larger operating systems, including (i) A hierarchical file system incorporating demountable volumes, (ii) Compatible file, device, and inter-process I/O, (iii) The ability to initiate asynchronous processes, (iv) System command language selectable on a per-user basis, (v) Over 100 subsystems including a dozen languages, (vi) High degree of portability. This paper discusses the nature and implementation of the file system and of the user command interface.
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