本书内容：内存管理，包括文件缓冲，进程交换和直接内存访问（DMA；虚拟文件系统层和第二和第三的扩展文件系统；；进程创建和调度；信号，中断和设备驱动程序的基本接口等-Understanding the Linux Kernel will acquaint you with all the inner workings of Linux, but it s more than just an academic exercise. You ll learn what conditions bring out Linux s best performance, and you ll see how it meets the challenge of providing good system response during process scheduling, file access, and memory management in a wide variety of environments. This book will help you make the most of your Linux system.