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  2. Apple Disk Image - Wikipedia

    en.wikipedia.org/wiki/Apple_Disk_Image

    Apple Disk Image is a disk image format commonly used by the macOS operating system. When opened, an Apple Disk Image is mounted as a volume within the Finder.. An Apple Disk Image can be structured according to one of several proprietary disk image formats, including the Universal Disk Image Format (UDIF) from Mac OS X and the New Disk Image Format (NDIF) from Mac OS 9.

  3. Mac operating systems - Wikipedia

    en.wikipedia.org/wiki/Mac_operating_systems

    The current Mac operating system is macOS, originally named "Mac OS X" until 2012 and then "OS X" until 2016. [3] It was developed between 1997 and 2001 after Apple's purchase of NeXT. It brought an entirely new architecture based on NeXTSTEP, a Unix system, that eliminated many of the technical challenges that the classic Mac OS faced, such as ...

  4. macOS Mojave - Wikipedia

    en.wikipedia.org/wiki/MacOS_Mojave

    macOS Mojave ( / moʊˈhɑːvi, mə -/ mo-HAH-vee; version 10.14) is the fifteenth major release of macOS, Apple Inc. 's desktop operating system for Macintosh computers. Mojave was announced at Apple's Worldwide Developers Conference on June 4, 2018, and was released to the public on September 24, 2018. The operating system's name refers to ...

  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. macOS - Wikipedia

    en.wikipedia.org/wiki/MacOS

    Mac OS X succeeded classic Mac OS, the primary Macintosh operating system from 1984 to 2001. Its underlying architecture came from NeXT 's NeXTSTEP, as a result of Apple's acquisition of NeXT, which also brought Steve Jobs back to Apple. The first desktop version, Mac OS X 10.0, was released on March 24, 2001.

  7. IMG (file format) - Wikipedia

    en.wikipedia.org/wiki/IMG_(file_format)

    In addition, .img is an Apple Disk Image used by the Mac OS X or macOS operating system. Garmin .img is a hard-disk image file format which contains a header and many subfiles and used to store the maps for its GPS units. Tools. The raw IMG file format is used by several tools:

  8. Health (game terminology) - Wikipedia

    en.wikipedia.org/wiki/Health_(game_terminology)

    Health (game terminology) A health bar, a possible representation of the health of a character. Health is a video game or tabletop game quality that determines the maximum amount of damage or fatigue something takes before leaving the main game. In role-playing games, this typically takes the form of hit points ( HP ), a numerical attribute ...

  9. Direct memory access - Wikipedia

    en.wikipedia.org/wiki/Direct_memory_access

    Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory independently of the central processing unit (CPU). [1] Without DMA, when the CPU is using programmed input/output , it is typically fully occupied for the entire duration of the read or write operation, and is thus ...