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Lecture Operating system concepts (Sixth ed) - Chapter 18: Protection

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Lecture Operating system concepts (Sixth ed) - Chapter 18: Protection

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The various processes in an operating system must be protected from one another’s activities. For that purpose, various mechanisms exist that can be used to ensure that the files, memory segments, CPU, and other resources can be operated on by only those processes that have gained proper authorization from the operating system. In this chapter, we examine the problem of protection in great detail and develop a unifying model for implementing protection.

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