Chapter 5

Operating System




This chapter provides an outlook on operating system. An operating system is a collection of system programs, which controls the operation of a computer system. The discussion begins with the evolution and types of operating system. It continues with the various functions of an operating system, namely, process management, memory management, file management, device management, security management, and user interface.


After reading this chapter, you will be able to understand:

  • The need to develop an operating system

  • What is an operating system and what are its objectives

  • How operating systems ...

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