2 ms·

IIRC one of these people, perhaps Óscar Toledo, wrote a usable OS fitting in either 512 bytes or the MBR (which is a bit smaller afaik).

• rwmj 5y ago
  This guy I think: https://nanochess.org/ https://nanochess.org/
  • aasasd 5y ago
    Ah, indeed: https://github.com/nanochess/bootOS https://github.com/nanochess/bootOS