Boot sector and Bootloader

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Difference between Boot sector and Bootloader

Boot sector vs. Bootloader

A boot sector is the sector of a persistent data storage device (e.g., hard disk, floppy disk, optical disc, etc.) which contains machine code to be loaded into random-access memory (RAM) and then executed by a computer system's built-in firmware (e.g., the BIOS). A bootloader, also spelled as boot loader or called bootstrap loader, is a computer program that is responsible for booting a computer.

BIOS

In computing, BIOS (Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup).

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Booting

In computing, booting is the process of starting a computer as initiated via hardware such as a button on the computer or by a software command.

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Fdisk

fdisk is a command-line utility for disk partitioning.

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Floppy disk

A floppy disk or floppy diskette (casually referred to as a floppy, a diskette, or a disk) is a type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined with a fabric that removes dust particles from the spinning disk.

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material.

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IBM PC–compatible

IBM PC–compatible computers are technically similar to the original IBM PC, XT, and AT, all from computer giant IBM, that are able to use the same software and expansion cards.

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Master boot record

A master boot record (MBR) is a type of boot sector in the first few blocks of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond.

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Random-access memory

Random-access memory (RAM) is a form of electronic computer memory that can be read and changed in any order, typically used to store working data and machine code.

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UEFI

Unified Extensible Firmware Interface (UEFI, or as an acronym) is a specification that defines the architecture of the platform firmware used for booting the computer hardware and its interface for interaction with the operating system.

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Volume boot record

A volume boot record (VBR) (also known as a volume boot sector, a partition boot record or a partition boot sector) is a type of boot sector introduced by the IBM Personal Computer.

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