Operating System .pdf

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1、个人简介¢杨公平工学博士、副教授、硕士生导师中国计算机学会高级会员中国人工智能学会机器学习专委会委员¢机器学习及应用研究组http://mla.sdu.edu.cn¢Email:gpyang@sdueducnEmail:gpyang@sdu.edu.cn¢Phone:15865251995¢Office:实验楼2A座2211.1/57关于课程¢接触OS的四类人员：OS设计者，OS管理员，开发人员，一般用户¢操作系统漫谈¢关于实验、作业、考勤¢关于考核：考试75%+实验15%+(作业+考勤)10%¢参考书：ò西电出版社汤子灜计算

2、机操作系统ò该书中文版郑扣根译¢上课的重要性！1.2/57教学内容¢PartonePartone：Overview¢Parttwo：ProcessManagement¢Partthree：MemoryManagement¢PtfPartfour:StStorageMManagementt¢Partfive:ProtectionandSecurityPartfive:ProtectionandSecurity1.3/57Partone：Overview¢Anoperatingsystemactsasanintermediaryb

3、etweentheuserofacomputerandthecomputerhardware.¢Thepurposeofanoperatingsystemistoprovideanenvironmentinwhichausercanexecuteprogramsinaconvenientandefficientmanner.¢Anoperatingsystemissoftwarethatmanagesthecomputerhardware.Thehardwaremustprovideappropriatemechanismst

4、oensurethecorrectoperationappropriatemechanismstoensurethecorrectoperationofthecomputersystemandtopreventuserprogramsfrominterferingwiththeproperoperationofthesystem.frominterferingwiththeproperoperationofthesystem.P21.4/57Chapter1:IntroductionChapter1:Introduction¢

5、WhatOperatingSystemsDo¢Computer-SystemOrganization¢Operating-SystemStructureSystemStructure¢Operating-SystemOperations¢PMProcessManagementt¢MemoryManagement¢StorageManagement¢ProtectionandSecurity1.6/57Objectives¢Toprovideagrandtourofthemajoroperatingsystemscomponen

6、ts¢Toprovidecoverageofbasiccomputersystemorganization1.7/57WhatisanOperatingSystem?¢AtAprogramthhattacttisasaninttermedidiarybbettweenauserofacomputerandthecomputerhardware.¢Thepurposeofanoperatingsystemistoprovideanenvironmentinwhichausercanprovideanenvironmentinwh

7、ichausercanexecuteprogramsinaconvenientandefficientmanner.操作系统的总体目标：使计算机系统方便使用convenient使硬件能高效利用efficientP31.8/57不同类型的操作系统设计目标不同¢Anamazingaspectofoperatingsystemsystemsishowvariedtheyareinaccomplishingthesetasks¢Mainframeoperatingsystemsaredesignedprimarilytooptimiz

8、eutilizationofhardware¢PersonalComputeroperatingsystemssupportcomplexgames,businessapplications,andeverythinginbetween.¢Operatingsystemsfo