一个操作系统必须和作为它的基础的硬件系统紧密配合。操作系统需要使用一些只有硬件才能提供的功能。为了完整的了解 Linux ，你需要了解底层硬件的基础知识。本章对于现代 PC 的硬件进行了。

-Must be an operating system as its hardware system based on close co-ordination. Need to use some of the operating system can provide only the hardware functionality. For a complete understanding of Linux, you need to know the basics of the underlying hardware. This chapter of the modern PC hardware proceed.