Term of the Moment

dribbleware


Look Up Another Term


Redirected from: volume boot sector

Definition: boot sector


The first sector on a hard disk and in every disk partition. In a partitioned storage device such as a hard disk, the boot sector contains the "partition table." In a non-partitioned device such as a USB drive, the boot sector contains the "volume boot record" (VBR). See partition table, MBR, GUID partition table and boot.