Power on and you're at the prompt in seconds. Bare metal on the Pi, with no Linux underneath.

Geoff Graham's MMBasic, with Colour Maximite 2 graphics compatibility as the target.

EDIT, FILES, WORDPAD, PAINT, JUKE, PACKAGE, TERM, HELP and SETTINGS.

Pi 400/4B, Pi 3, Pi Zero 2, Chromebook & Linux framebuffer, bootable ISO, Linux, Windows.