If you’ve ever used a drive not formatted as HFS or APFS in a Mac, and later plugged it into a non-mac or poked around in the terminal, you’ve probably noticed a lot of hidden files. Almost everything has a copy that begins with ._, and there’s this ever-present .DS_Store in every directory. What’s up with this? And furthermore, how does this relate to application installers?
AppleDouble and The ._ Files MacOS will only create .