引导区就是系统盘（通常是C盘，位于整个硬盘的0磁道0柱面1扇区）上的一块区域，引导区内写了一些信息，告诉电脑应该到哪去找操作系统的引导文件。
我自己，我这样开始：做引导区，写一个微型的内核加载程序，等等。
Myself, I started at the start and did the boot sector, wrote a tiny micro kernel loader, etc.
使用编程方法生成主引导区启动代码，达到自动引导多个操作系统的目的。
Using programming method to produce master boot record code in order to boot multiple operating systems.
通过对磁盘引导区结构的分析，给出一个多操作系统引导的汇编语言实现方法。
Through analyzing the structure of the leading areas of magnetic disc it is to provide an assembly language implementation method of multi-operating system guides.
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