Lecture 01 - Introducing Operating Systems

Lecture 01 - Introducing Operating Systems - About the...

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About the Presentations The presentations cover the objectives found in the opening of each chapter. All chapter objectives are listed in the beginning of each presentation. You may customize the presentations to fit your class needs. Some figures from the chapters are included. A complete set of images from the book can be found on the Instructor Resources disc.
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Chapter 1 Introducing Operating Systems
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After completing this chapter, you should be able to  describe: Innovations in operating systems development The basic role of an operating system The major operating system software subsystem  managers and their functions The types of machine hardware on which operating  systems run Understanding Operating Systems, Sixth Edition 3
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Understanding Operating Systems, Sixth Edition 4 The differences among batch, interactive, real-time,  hybrid, and embedded operating systems Multiprocessing and its impact on the evolution of  operating system software Virtualization and core architecture trends in new  operating systems
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Operating systems Manage computer system hardware and software This text explores: What they are How they work What they do Why they do it This chapter describes: How operating systems work The evolution of operation systems Understanding Operating Systems, Sixth Edition 5
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A Computer System consists of: Software (programs) Hardware (the physical machine and its electronic  components) The Operating System Software The chief piece of software The portion of the computer system that: Manages all hardware and all software Controls every file, device, section of main memory and  nanosecond of processing time Controls  who  can use the system Controls  how  system is used Understanding Operating Systems, Sixth Edition
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The Operating System Software Each time the user sends a command, the OS must make  sure that the command is executed; If it’s not executed: It must arrange for the user to get a message explaining the  error. Understanding Operating Systems, Sixth Edition
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Four essential   managers of every OS Memory Manager Processor Manager Device Manager File Manager These managers are the basis of all OS. Each manager works closely with the other  managers and performs its unique role regardless  of which specific OS is being discussed. Understanding Operating Systems, Sixth Edition 8
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The fifth essential   manager of every OS User Interface From which users issue commands to the OS This interface is unique to each OS – sometimes even  between different versions of the same OS. Understanding Operating Systems,
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This note was uploaded on 10/15/2011 for the course COMP 1210 taught by Professor M.izzo during the Spring '11 term at Community college of RI.

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Lecture 01 - Introducing Operating Systems - About the...

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