I briefly tried some flavour of linux on a Performa 5200, PPC chip.
replyHere's an alternative OS for the C64, though I no longer have such a machine to try it on: https://www.c64-wiki.com/wiki/Contiki
Here's an alternative OS for the C64, though I no longer have such a machine to try it on: https://www.c64-wiki.com/wiki/Contiki