A simple and concise example of a page from the documentation which we, as a community, could readily produce for macOS. Fancy giving us a hand?
forks
They’re responsible for determining Gatekeeper’s checks, contain Finder information, and much more. With a new free tool too.
If you wanted to mess someone’s Mac up, you could go into their system files and change things around when they were out at lunch.
The Eclectic Light Company 