And since we’re on the subject of typography and the Mac, one of the things you might miss from Linux (say, hypothetically, if you decided you’d had enough and were going back from Linux to macOS after six years), might be the all-powerful Compose Key*.
Well, fear not, because you can emulate it as Howard Rogers has basically recreated it using DefaultKeyBinding.dict:
https://absolutelybaching.com/a-compose-key-for-the-mac/
(In Vial, I made my Caps Lock produce a § and mapped it to that.)