Someone just vibe-coded an operating system from scratch, and it can actually run DOOM
www.makeuseof.com/someone-vibe-coded-an-os-from-scratch-and-it-runs-doom/
A Redditor used Claude Code to build Ember, an operating system that boots directly on real hardware.
Ember features a graphical desktop, DOS compatibility, Sound Blaster emulation, and can even run DOOM.
The project required extensive human testing and troubleshooting — and vibe-coded programs remain unsuitable for storing sensitive information.