This is a beta course, so its structure, chapters, and examples may continue to change.I/O系统基本概念This article is being translated. Please check back soon. Previous 输入输出系统 I/O系统的基本概念、设备管理、I/O控制方式及缓冲区管理等内容Next 缓冲区管理 缓冲区的基本概念、类型、管理策略和性能优化