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  2. Classic Mac OS memory management - Wikipedia

    en.wikipedia.org/wiki/Classic_Mac_OS_memory...

    "About This Computer" Mac OS 9.1 window showing the memory consumption of each open application and the system software itself. Historically, the classic Mac OS used a form of memory management that has fallen out of favor in modern systems. Criticism of this approach was one of the key areas addressed by the change to Mac OS X.

  3. System 7 - Wikipedia

    en.wikipedia.org/wiki/System_7

    System 7 (later named Mac OS 7) is the seventh major release of the classic Mac OS operating system for Macintosh computers, made by Apple Computer. It was launched on May 13, 1991, to succeed System 6 with virtual memory , personal file sharing , QuickTime , TrueType fonts, the Force Quit dialog, and an improved user interface.

  4. macOS Monterey - Wikipedia

    en.wikipedia.org/wiki/MacOS_Monterey

    macOS Monterey is the final version of macOS that supports the 2015–2017 MacBook Air, Retina MacBook Pro, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro, as its successor, macOS Ventura, drops support for those models. It is the last version of macOS that can run on Macs with 4GB of RAM.

  5. List of Apple operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Apple_operating...

    The original operating system for the Macintosh was the classic Mac OS, which was introduced in early 1984 as System Software. In 1997, System Software was renamed Mac OS. In 1999, Mac OS X Server 1.0 was released, followed by Mac OS X 10.0, the first consumer release of the Mac OS X.

  6. Macintosh 128K - Wikipedia

    en.wikipedia.org/wiki/Macintosh_128K

    The system software (Mac OS) was disk-based from the beginning, as RAM had to be conserved, but this "Startup Disk" could still be temporarily ejected. (Ejecting the root filesystem remained an unusual feature of the classic Mac OS until System 7.) One floppy disk was sufficient to store the System Software, an application and the data files ...

  7. Does your Windows 11 PC keep restarting? Let's fix that ... - AOL

    www.aol.com/does-windows-11-pc-keep-150008285.html

    Windows 11 may become unstable without enough RAM in your computer, causing the OS to randomly reboot. You can use the built-in Memory Diagnostics Tool in Windows 11 to check your computer for ...

  8. New World ROM - Wikipedia

    en.wikipedia.org/wiki/New_World_ROM

    One major difference between Old World ROM Macs and New World ROM Macs, at least in Classic Mac OS, is that the Gestalt selector for the machine type is no longer usable; all New World ROM Macs use the same mach ID, 406 decimal, and the actual machine ID is encoded in the "model" and "compatible" properties of the root node of the Open Firmware ...

  9. Macintosh 512K - Wikipedia

    en.wikipedia.org/wiki/Macintosh_512K

    It is the earliest Macintosh model that can be used as an AppleShare server and, with a bridge Mac, communicate with modern devices. [3] The Mac 512K originally shipped with Macintosh System 1.1 but was able to run all versions of Mac OS up to System 4.1. It was replaced by the Macintosh 512Ke and the Macintosh Plus. All support for the Mac ...

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