自己编写的 MBR 主引导记录 硬盘读写 隐藏分区 激活隐藏 MBR读写、修改； 经过验证，在DOS下运行可以实现激活隐藏分区并进入隐藏分区操作系统。 前提是划分隐藏分区并装系统。-I have written the MBR of the hard disk read and write the master boot record MBR activate the hidden hidden partition read and write, modify been v