If the sidebar link is grayed out or invisible:
If the keyboard shortcut fails or you want to make hidden files permanently visible across the entire operating system until explicitly changed, you can use the Terminal app. show hidden finder link
Apps constantly generate temporary caches and configuration files that you do not need to interact with daily. If the sidebar link is grayed out or
Sometimes, entire categories like "Favorites" or "Locations" are hidden. show hidden finder link
If you want hidden files to stay visible even after restarting your computer, use the Terminal application : Open (found in /Applications/Utilities/ ).
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