The Master Boot Record (MBR) and What it Does

http://www.dewassoc.com/kbase/hard_drives/master_boot_record.htm

The MBR is the sector at cylinder 0, head 0, sector 1 of a hard disk. An MBR is created by the FDISK program. The FDISK program of all operating systems must create a functionally similar MBR. The MBR is first of what could be many partition sectors, each…