How to hide files and folders on macOS

When you set up a new Mac, you’re instructed to keep it locked down with a password, a Touch ID, and / or an Apple Watch authorization. But you can’t guarantee that your macOS system will only be seen by you and you alone. Maybe your kids want to borrow your MacBook to play a game or you want to show a friend the photos and videos of your latest trip. How do you prevent them from accidentally opening folders or files that you want to keep private?

These scenarios are where hidden files and folders come into play. They won’t show up in Finder…