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All about "OS"
操作系统期末复习笔记（六）
Exam-focused notes on file concepts, directory structures, access methods, and disk space management.
操作系统期末复习笔记（五）
Exam-focused notes on I/O devices, controllers, scheduling, buffering, and device management layers.
操作系统期末复习笔记（四）
Exam-focused notes on memory allocation, relocation, paging, segmentation, and virtual memory.
操作系统期末复习笔记（三）
Exam-focused notes on synchronization, mutual exclusion, communication, and deadlock strategies.
操作系统期末复习笔记（二）
Exam-focused notes on processor modes, interrupts, threads, scheduling, and context switching.
操作系统期末复习笔记（一）
Exam-focused notes on operating system goals, structure, interfaces, and core management functions.
OS 设计实验过程笔记
Experiment notes for the OS lab, covering scoring scripts, threading, sockets, and Linux 0.12 system-call changes.