TAILIEUCHUNG - Lecture Operating systems: A concept-based approach: Chapter 1 - Dhananjay M. Dhamdhere

This chapter discusses how users perceive user convenience, how an operating system achieves efficient use of resources, and how it ensures security and protection. It introduces the notion of effective utilization of a computer system as the combination of user convenience and efficient use that best suits a specific computing environment. It also describes the fundamental tasks involved in management of programs and resources, and in implementing security and protection. | Chapter 1 Introduction Copyright © 2008 Introduction Abstract Views of an Operating System Goals of an OS Operation of an OS Preview of the Book 1. Operating Systems, by Dhananjay Dhamdhere Copyright © 2008 Abstract Views of an Operating System What is an OS? Abstract views To a college student: SW that permits access to the Internet To a programmer: SW that makes it possible to develop programs on a computer system To a user of an application package: SW that makes it possible to use the package To a technician in a computerized chemical plant: invisible component of a computer system that controls the plant An abstract view focuses only on essential characteristics 1. Operating Systems, by Dhananjay Dhamdhere Copyright © 2008 Abstract Views of an Operating System (continued) Operating system designer also has an abstract view OS is a collection of routines that facilitates execution of user programs and use of resources 1. Operating Systems, by Dhananjay Dhamdhere .

• Hệ điều hành
• Operating systems
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• Structure of operating systems
• Distributed operating systems
• Memory management
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• Multiprocessor operating systems
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