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所在平台: Udemy |
课程主页: https://www.udemy.com/course/make-your-operating-system-fundamental-rock-solid-pdf-notes/
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课程名称：操作系统：打牢基础（附PDF笔记） 概述：本课程是Coursera平台上全面学习的典范，经过深入研究，努力探讨操作系统（OS）的各个细节。本课程通过数字示例和实践环节，旨在加深您对操作系统概念和基础原理的理解。课程内容涵盖广泛，即使您对操作系统有基本了解，也会对本课程的深度感到赞赏。 课程大纲： 1. **介绍与背景** - 确定操作系统的定义，包括冯·诺依曼结构、存储程序概念、主存的意义等。 - 操作系统的类型，如单任务与多任务。 - 用户模式与内核模式的切换。 2. **进程管理** - 理解进程，区分程序与进程，关键概念及进程属性。 - 进程状态转移图及调度程序和调度员的介绍。 - 详细探讨调度队列和状态队列图。 3. **CPU调度** - 短期调度器的实现及其功能目标。 - 各种调度算法，如先来先服务（FCFS）、最短作业优先（SJF）、轮转调度等。 4. **进程同步/协调** - 介绍进程间通信（IPC）与同步的探索，举例分析生产者-消费者问题。 - 不同同步机制的分析，如信号量及其实现。 5. **死锁** - 什么是死锁，资源分配图及处理策略。 - 银行家算法及其问题解决方法。 6. **内存管理** - 字节和字介绍、RAM结构、静态与动态加载等。 - 介绍页面置换及其性能分析、虚拟内存的概念。 7. **文件管理** - 磁盘结构与逻辑结构，文件与目录的区分。 - 磁盘调度算法及相应的问题解决。 本课程为希望加强操作系统基础知识的学习者提供了全面的理论知识和实践问题，适合各种背景的学生。
This course represents the epitome of comprehensive learning available on this platform, a claim I can confidently stand by. Every effort has been dedicated to delving into the minutiae of the subject matter. Leveraging Numerical and Practice Sessions, I've endeavored to fortify your understanding of OS concepts and foundational principles. The breadth of topics covered is extensive, and even if you possess a rudimentary understanding of OS, you'll undoubtedly appreciate the depth this course explores:Curriculum: 1. Introduction and Background: a. Defining an OS: Elucidated through 5 Definitions Von Neumann Architecture Stored Program Concept Significance of Main Memory OS as Interface OS Kernel OS as Resource Manager OS as Control Program b. Types of OS: Uni-programming and Multiprogramming Degree of Multiprogramming Addressing CPU Idleness Throughput Schematic View of Multiprogramming Types of Multiprogramming OS Comparison between Multiprogramming and Multitasking OS Architectural Requirements for Implementing Multitasking OS Kernel & User Mode c. User and Kernel Mode Shifting: APIs Fork system call Interrupt ISR PSW Types of Functions Perspective on Mode Shifting2. Process Management: a. Understanding Processes: Distinguishing between program and process Key C Concepts 7 Definitions of Process Treating Process as an ADT (Abstract Data Type) Various Process Operations Process Attributes and PCB b. Process Transition Diagram: Different Process States Process State Transition Diagram Introduction to Schedulers and Dispatchers Addressing Common Doubts c.Scheduling Queues and State Queuing Diagrams: Detailed Examination of Schedulers and Dispatchers Context Switching3. CPU Scheduling: a. Introduction and Process Times: Implementation of Short-Term Schedulers Functions and ObjectivesUnderstanding Process Times (AT, BT, TAT, IOBT, CT, Schedule Length) b. FCFS: Selection Criteria Operational Mode Conflict Resolution Assumptions Challenges with FCFS Scheduling Gantt Chart % CPU Idleness and Efficiency c. FCFS with Dispatch Latency and IOBT: Addressing the Most Complex FCFS Problems Regular Discussion of Home- Work Problems d. Shortest Job First ( Preemptive and Non Preemptive Case ) Selection Criteria Operational Mode Conflict Resolution Assumptions Challenges with FCFS Scheduling Gantt Chart % CPU Idleness and Efficiencye. HRRN f. LRTFg. Round Robin and Performance Discussionh. Priority Based Schedulingi. Multilevel Queue Feedback Scheduling4.Process Synchronization / CoordinationIPC and Introduction To SynchronizationExploring Race ConditionProducer and Consumer Problem ImplementationWhich type of Sync in Producer & Consumer Problem ?Necessary Conditions for Sync ProblemsRequirements for Sync ProblemsIntroduction to Sync MechanismLock Variable - 1Lock Variable - 2Lock Variable - 3Strict Alternation ( Turn Variable )Implementation of Peterson SolutionAnalysis Of Peterson SolutionHomework Question DiscussionDekker's AlgorithmIntroduction to Hardware SolutionsTest & Set LockSWAP - Lock and KeyPriority Inversion ProblemPriority Inversion ProblemSolution of Homework ProblemBlocking Mechanisms / Non Busy Wait SolutionSleep & WakeupProducer - Consumer Interesting CaseSemaphoresCounting SemaphoresBinary SemaphoresWhat about ME, Progress and BW ?Let's Solve Some ProblemsSome More QuestionsSome More: )Producer Consumer - Semaphore ImplementationSome Practice ProblemsReader Writer Problem ( Semaphore )Dining Philosophers ProblemParbegin and ParendSemaphore SolutionQuestion PracticeFork & Join5. Deadlock:What's Deadlock ?Resource Allocation GraphDeadlock Handling StrategiesResource Allocation Graph AlgorithmBankers AlgorithmProblem Solving on Bankers AlgorithmResource Request AlgorithmProblem SolvingDeadlock DetectionDeadlock RecoveryProblem Solving6. Memory ManagementByte and Word Addressable ViewRAM ArchitectureStatic Vs Dynamic LoadingStatic LinkingDynamic Linking and Address BindingMore about BindingMemory Management TechniquesPartition Allocation Policy & Variable PartitioningProblem SolvingSome More ProblemsNon Contiguous AllocationAddress TranslationSimple Paging ( Org. of Logical Address Space )Organization of Physical Address SpaceOrganization Of Memory Management UnitHow Paging Works ?Problem SolvingPerformance of PagingPaging Using CacheOptimal Page SizeProblem SolvingDon't Approximate HereHashed PagingMultilevel PagingHow It's Helpful ?Addressing In Multilevel PagingEffective Memory Access TimeProblem SolvingSegmentationPerformance AnalysisVirtual MemoryDemand PagingEverything in one FlowchartProblem SolvingPage ReplacementReference Strings and Page Repl. AlgosBelady's AnomalyPage Replacement AlgorithmsPRA Continued + Problem SolvingThrashingThe way we write affect thrashing ?Working Set Model and Locality Of References7. File ManagementDisk StructureProblem SolvingMore ProblemsLogical Structure Of The DiskFile Vs DirectoryFile System ImplementationAllocation MethodsCase StudiesProblem SolvingDisk Free Space Management AlgorithmProblem SolvingMore ProblemsDisk Scheduling AlgorithmsProblem Solving
