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  2. EFI system partition - Wikipedia

    en.wikipedia.org/wiki/EFI_System_partition

    On Apple Mac computers using Intel x86-64 processor architecture, the EFI system partition is initially left blank and unused for booting into macOS. [13] [14]However, the EFI system partition is used as a staging area for firmware updates [15] and for the Microsoft Windows bootloader for Mac computers configured to boot into a Windows partition using Boot Camp.

  3. UEFI - Wikipedia

    en.wikipedia.org/wiki/UEFI

    An EFI system partition, often abbreviated to ESP, is a data storage device partition that is used in computers adhering to the UEFI specification. Accessed by the UEFI firmware when a computer is powered up, it stores UEFI applications and the files these applications need to run, including operating system boot loaders .

  4. Partition type - Wikipedia

    en.wikipedia.org/wiki/Partition_type

    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 ...

  5. System partition and boot partition - Wikipedia

    en.wikipedia.org/wiki/System_partition_and_boot...

    The boot partition (or boot volume) [5] is the disk partition that contains the operating system folder, known as the system root or %systemroot% in Windows NT. [6]: 174 Before Windows 7, the system and boot partitions were, by default, the same and were given the "C:" drive letter. [7]: 971 Since Windows 7, however, Windows Setup creates, by ...

  6. System folder - Wikipedia

    en.wikipedia.org/wiki/System_Folder

    An alternative to manually blessing the system folders in the Mac OS was to use a utility like System Picker. Blessing is continued for mactel machines running macOS with an EFI system, albeit in a mostly different manner. See EFI system partition § macOS and the two types of booting for Apple's BootX bootloader. [1]

  7. GUID Partition Table - Wikipedia

    en.wikipedia.org/wiki/GUID_Partition_Table

    The starting location of the array on disk, and the size of each entry, are given in the GPT header. The first 16 bytes of each entry designate the partition type's globally unique identifier (GUID). For example, the GUID for an EFI system partition is C12A7328-F81F-11D2-BA4B-00A0C93EC93B. The second 16 bytes are a GUID unique to the partition.

  8. Apple Partition Map - Wikipedia

    en.wikipedia.org/wiki/Apple_Partition_Map

    This partition type was discontinued with Mac OS X 10.3. Apple_MDFW: firmware: firmware: This partition is used by iPod to load the firmware/OS. Apple_MFS: Macintosh File System: This partition is used by Mac OS for the Macintosh File System (MFS), which was introduced with the Macintosh 128K in 1984. Apple_partition_map: partition map: Apple

  9. Disk partitioning - Wikipedia

    en.wikipedia.org/wiki/Disk_partitioning

    The partition type code for a primary partition can either correspond to a file system contained within (e.g., 0x07 means either an NTFS or an OS/2 HPFS file system) or indicate that the partition has a special use (e.g., code 0x82 usually indicates a Linux swap partition).