# MBR | | A **Master Boot Record** (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond. The concept of MBRs was publicly introduced in 1983 with PC DOS 2.0. | |-|-| | | wikipedia:: [Master boot record](https://en.wikipedia.org/wiki/Master_boot_record) | [[File Allocation Table (FAT)|FAT]]