Oooh I didn't know that I needed a "which files are where"/"which of these weird folders contains what kind of stuff" flowchart in my life but I definitely do https://askubuntu.com/a/551931

(is #linuxnoobs a hashtag that is a thing, i think I could learn a lot from it) https://computerfairi.es/media/lG7aPyT14hqMs5Ep8xI