在操作系统中读取磁盘信息的源代码，该代码实现了获得磁盘信息-In the operating system disk information read the source code, code access to the disk information

读取磁盘中扇区信息的源代码，运行该代码后可以直接读取扇区的信息-Read disk sector information source code, run the code can be directly read the information sector