北京大学计算机系：《操作系统原理 Principles of Operating System》课程教学资源（PPT课件讲稿）第三章 用户接口与作业管理

北京大学计算机系：《操作系统原理 Principles of Operating System》课程教学资源（PPT课件讲稿）第二章 进程管理

1 Overview 2 Multithreading Models 3 Thread Libraries 4 Threading Issues 5 OS Examples for Thread 6 Thread Scheduling OS Examples for Thread Scheduling

1 Background 2 The Critical-Section Problem (临界区问题) 3 Peterson’s Solution 4 Synchronization Hardware TestAndSet Instruction Swap Instruction 5 Semaphores 6 Classical Problems of Synchronization 7 Monitors 8 Synchronization Examples

background Contiguous Memory Allocation (连续内存分配) Swapping Paging (分页) Structure of the Page Table Segmentation (分段) Segmentation with paging (段页式)

File-System Structure FS Implementation Directory Implementation Allocation Methods (分配方法) Free-Space Management Efficiency (空间) and Performance (时间) Recovery Log Structured File Systems

Overview of Mass Storage Structure Disk Structure Disk Scheduling (磁盘调度) Disk Management Swap-Space Management RAID (磁盘阵列) Structure

File Concept Access Methods (访问方式) Directory Structure (目录结构) File System Mounting (文件系统挂载) File sharing (文件共享) Protection

1 Basic Concepts 2 Scheduling Criteria 3 Scheduling Algorithms 4 Multiple-Processor Scheduling 5 Real-Time Scheduling 6 OS examples 7 Algorithm Evaluation

中国科学技术大学：《操作系统原理与设计 Operating System》课程教学资源（PPT课件讲稿）01 OS overview