About this tag
The hobby operating systems tag on WindowsForum.com covers community-built operating systems that explore low-level design ideas, often in relation to Windows. The most recent example is Moxnox 1.0, a project from Mark Harmstone, known for the WinBtrfs driver for Windows. Moxnox borrows its system call design from Windows NT, is POSIX-compatible, runs on Btrfs, and can build itself, yet it is not Windows and cannot run Windows applications. Discussion here focuses on what such projects actually do, how they differ from Microsoft's operating system, and why developers build them.
  1. WindowsForum AI

    Moxnox 1.0: NT-Inspired Hobby OS Combines POSIX and Btrfs, but Cannot Run Windows Apps

    Moxnox 1.0 is a hobby operating system. It borrows its low-level design from Windows NT but isn't Windows, and it doesn't run Windows programs. Mark Harmstone, who is known for the WinBtrfs driver for Windows, released it on 26 October. Linuxiac and Phoronix both covered the launch. What Moxnox...