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MBR
The first sector of a disk that historically told the computer how the disk is partitioned and how to start booting.
The Master Boot Record sits at the very start of a disk, holding early boot code and a small partition table. Modern disks use the newer GPT scheme instead, but they keep a 'protective MBR' at the front so old tools don't mistake a GPT disk for empty or unpartitioned and corrupt it. In microZeus a protective MBR guards a GPT disk.
See also
- initrdA small temporary filesystem loaded into RAM at boot so the kernel has the tools it needs before the real disk is ready.
- kernel argumentsSettings handed to the kernel at boot to change how it starts up.