Introduction to Processes

This lesson gives a basic introduction to​ a process, describes​ the time-sharing mechanism and polices which are employed by the operating system.

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In this chapter, we discuss one of the most fundamental abstractions that the OS provides to users: the process. The definition of a process, informally, is quite simple: it is a running program1. “The Nucleus of a Multiprogramming System” by Per Brinch Hansen. Communications of the ACM, Volume 13:4, April 1970. This paper introduces one of the first microkernels in operating systems history, ...

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