查看“MBR”的源代码

==linux下去除MBR==
 dd if=/dev/zero of=/dev/sda bs=466 count=1
只去除MBR的引导信息
 dd if=/dev/zero of=/dev/sda bs=512 count=1
去除分区表信息

==win7恢复MBR==
光盘启动后，运行 Command Prompt,然后输入
 bootrec.exe /fixmbr
bootrec.exe的其它选项
*/FixBoot. Writes a boot sector onto the system partition to start Windows
*/ScanOs. Scans all disks for Windows installations and displays them to you. 
*/RebuildBcd. Scans all disks for Windows installations and prompts you to pick the ones you want to add to the BCD.