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  2. Disk partitioning - Wikipedia

    en.wikipedia.org/wiki/Disk_partitioning

    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.

  3. System partition and boot partition - Wikipedia

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

    The system partition is the disk partition that contains the operating system folder, known as the system root. By default, in Linux, operating system files are mounted at / (the root directory). In Linux, a single partition can be both a boot and a system partition if both /boot/ and the root directory are in the same partition.

  4. Microsoft Reserved Partition - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Reserved_Partition

    Microsoft reserves a chunk of disk space using this MSR partition type, to provide an alternative data storage space for such software components which previously may have used hidden sectors on MBR formatted disks. Small, special-purpose partitions can be allocated from a portion of the space reserved in the MSR partition. [1]

  5. Free-space bitmap - Wikipedia

    en.wikipedia.org/wiki/Free-space_bitmap

    In this example, a zero would indicate a free sector, while a one indicates a sector in use. Each sector would be of fixed size. For explanatory purposes, we will use a 4 GiB hard drive with 4096-byte sectors and assume that the bitmap itself is stored elsewhere. The example disk would require 1,048,576 bits, one for each sector, or 128 KiB ...

  6. File Allocation Table - Wikipedia

    en.wikipedia.org/wiki/File_Allocation_Table

    Each entry in the FAT linked list is a fixed number of bits: 12, 16 or 32. The maximum size of a file or a disk drive that can be accessed is the product of the largest number that can be stored in the entries (less a few values reserved to indicate unallocated space or the end of a list) and the size of the disk cluster.

  7. GUID Partition Table - Wikipedia

    en.wikipedia.org/wiki/GUID_Partition_Table

    If the actual size of the disk exceeds the maximum partition size representable using the legacy 32-bit LBA entries in the MBR partition table, the recorded size of this partition is clipped at the maximum, thereby ignoring the rest of the disk. This amounts to a maximum reported size of 2 TiB, assuming a disk with 512 bytes per sector (see 512e).

  8. File system fragmentation - Wikipedia

    en.wikipedia.org/wiki/File_system_fragmentation

    Free (unallocated) space fragmentation occurs when there are several unused areas of the file system where new files or metadata can be written to. Unwanted free space fragmentation is generally caused by deletion or truncation of files, but file systems may also intentionally insert fragments ("bubbles") of free space in order to facilitate ...

  9. Volume (computing) - Wikipedia

    en.wikipedia.org/wiki/Volume_(computing)

    The volume serial number is a 32-bit number determined by the date and time on the real-time clock on the current computer at the time of a disk's formatting. Previously, determination by the OS of whether a disk was swapped was done by reading the drive's volume label. However, even at that time the volume label was not required to be unique ...

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