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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. It may be found on a partitioned data storage device, such as a hard disk, or an unpartitioned device, such as a floppy disk, and contains machine code for ...
Master boot record. A master boot record (MBR) is a type of boot sector in the first block 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. The MBR holds the information on how the ...
A Microsoft Windows Emergency Repair Disk (ERD) is a specially formatted diskette that creates backups of important system files and settings and is used to troubleshoot and repair problems in Microsoft Windows NT and Windows 2000 systems. An ERD is used in conjunction with the Windows repair option. The Emergency Repair Disk provides only the ...
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). Usually, the first sector of the hard disk is the boot sector, regardless of ...
EFI system partition. The EFI (Extensible Firmware Interface) system partition or ESP is a partition on a data storage device (usually a hard disk drive or solid-state drive) that is used by computers that have the Unified Extensible Firmware Interface (UEFI). When a computer is booted, UEFI firmware loads files stored on the ESP to start ...
The total number of sectors (as noted in the boot record) can be larger than the number of sectors used by data (clusters × sectors per cluster), FATs (number of FATs × sectors per FAT), the root directory (n/a for FAT32), and hidden sectors including the boot sector: this would result in unused sectors at the end of the volume.
Extended boot record. An extended boot record (EBR), [1] or extended partition boot record (EPBR), [note 1] is a descriptor for a logical partition under the common DOS disk drive partitioning system. In that system, when one (and only one) partition record entry in the master boot record (MBR) is designated an extended partition, then that ...
The Recovery Console is a feature of the Windows 2000, [1] Windows XP [2] and Windows Server 2003 operating systems. It provides the means for administrators to perform a limited range of tasks using a command-line interface. Its primary function is to enable administrators to recover from situations where Windows does not boot as far as ...
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