I say you’ve won an operating system once you’ve contributed code that got into its kernel
The fear your code will break something one day and Linus will hunt you down will forever your thoughts.
Game over.
Alright, have an upvote 👍
But… If you wrote the boss (or even just portions of it), then defeat the kernel boss you partly wrote, isn’t that like cheating?
Windows when you can activate it without giving MS your info. Of course, like so many final bosses, it tends to come back harder the next phase.