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fdisk is a command-line utility for disk partitioning. It has been part of DOS , DR FlexOS , IBM OS/2 , and early versions of Microsoft Windows , as well as certain ports of FreeBSD , [ 2 ] NetBSD , [ 3 ] OpenBSD , [ 4 ] DragonFly BSD [ 5 ] and macOS [ 6 ] for compatibility reasons.
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 disc's sectors (aka ...
The partition type (or partition ID) in a partition's entry in the partition table inside a master boot record (MBR) is a byte value intended to specify the file system the partition contains or to flag special access methods used to access these partitions (e.g. special CHS mappings, LBA access, logical mapped geometries, special driver access, hidden partitions, secured or encrypted file ...
Boot flag. A boot flag is a 1- byte value in a non-extended partition record, within a master boot record. It appears at the beginning of a partition record, as the value 0x80. A value of 0x00 indicates the partition does not have the boot flag set. [1][2] Any other value is invalid. Its primary function is to indicate to a MS-DOS / MS Windows ...
List of DOS system files. MS-DOS / PC DOS and some related disk operating systems use the files mentioned here. System Files: [1] MSDOS.SYS (or IBMDOS.COM): This contains the DOS kernel. Command-line interpreter (Shell): COMMAND.COM: This is the command interpreter. User configuration files: AUTOEXEC.BAT: This is run by the default shell ...
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 ...
BIOS boot partition. (Redirected from BIOS Boot partition) The BIOS boot partition is a partition on a data storage device that GNU GRUB uses on legacy BIOS -based personal computers in order to boot an operating system, when the actual boot device contains a GUID Partition Table (GPT). Such a layout is sometimes referred to as BIOS/GPT boot.
Disk partitioning or disk slicing[1] is the creation of one or more regions on secondary storage, so that each region can be managed separately. [2] These regions are called partitions. It is typically the first step of preparing a newly installed disk after a partitioning scheme is chosen for the new disk before any file system is created.