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  2. Apple File System - Wikipedia

    en.wikipedia.org/wiki/Apple_File_System

    Apple File System (APFS) is a proprietary file system developed and deployed by Apple Inc. for macOS Sierra (10.12.4) and later, iOS 10.3, tvOS 10.2, watchOS 3.2, and all versions of iPadOS. [9] [10] It aims to fix core problems of HFS+ (also called Mac OS Extended), APFS's predecessor on these operating systems.

  3. Hierarchical File System (Apple) - Wikipedia

    en.wikipedia.org/wiki/Hierarchical_File_System...

    Hierarchical File System ( HFS) is a proprietary file system developed by Apple Inc. for use in computer systems running Mac OS. Originally designed for use on floppy and hard disks, it can also be found on read-only media such as CD-ROMs. HFS is also referred to as Mac OS Standard (or HFS Standard ), while its successor, HFS Plus, is also ...

  4. exFAT - Wikipedia

    en.wikipedia.org/wiki/ExFAT

    exFAT ( Extensible File Allocation Table) is a file system introduced by Microsoft in 2006 and optimized for flash memory such as USB flash drives and SD cards. [6] exFAT was proprietary until 28 August 2019, when Microsoft published its specification. [7] Microsoft owns patents on several elements of its design. [2]

  5. HFS Plus - Wikipedia

    en.wikipedia.org/wiki/HFS_Plus

    HFS Plus or HFS+ (also known as Mac OS Extended or HFS Extended) is a journaling file system developed by Apple Inc. It replaced the Hierarchical File System (HFS) as the primary file system of Apple computers with the 1998 release of Mac OS 8.1. HFS+ continued as the primary Mac OS X file system until it was itself replaced with the Apple File ...

  6. Comparison of file systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_file_systems

    PC DOS 3.0, MS-DOS 3.0: MFS: Apple: 1984 ... Variable file block size Allocate-on-flush ... No write support since Mac OS X 10.6 and no support at all since macOS 10. ...

  7. File size - Wikipedia

    en.wikipedia.org/wiki/File_size

    File size. File size is a measure of how much data a computer file contains or, alternately, how much storage it consumes. Typically, file size is expressed in units of measurement based on the byte. By convention, file size units use either a metric prefix (as in megabyte and gigabyte) or a binary prefix (as in mebibyte and gibibyte ).

  8. Macintosh File System - Wikipedia

    en.wikipedia.org/wiki/Macintosh_File_System

    Mac OS 7.6.1 (read-only) Macintosh File System ( MFS) is a volume format (or disk file system) created by Apple Computer for storing files on 400K floppy disks. MFS was introduced with the original Apple Macintosh computer in January 1984. MFS is notable both for introducing resource forks to allow storage of structured data, and for storing ...

  9. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...