Quickly Show/Hide Hidden Files on macOS Sierra, OS X El ...
The Quickest Way to Show/Hide Hidden Files. Since the release of macOS Sierra, when in Finder, it is now possible to use the shortcut: CMD + SHIFT + . Press once to show hidden files and again to hide them. If you're using a version earlier than macOS Sierra, see Show/Hide Hidden Files using Terminal Aliases to setup a toggle command via terminal.
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