Reset OS X/macOS Dock to default settings

Reset OS X/macOS Dock to default settings

There is a Terminal command that you can use to quickly make your dock look like new again. Do you experience problems with the Dock on your Mac? The best you can do is to reset it to default settings.

The following Terminal command will reset your dock by removing any icons that you’ve added and removed. It’ll also reset the size of the dock, magnification settings, and its location.

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Show one application at a time

dock

In OS X it’s possible to show one application at a time. You can enable a ‘single application’ mode by entering the following command in Terminal: defaults write com.apple.dock single-app -bool true;killall Dock When you click on an application in the Dock you’ll only see the windows of that application. All other windows are hidden in the background. You’ll be able to focus more on that one application without being distracted by any other applications in the background. To revert to the original settings: defaults write com.apple.dock single-app -bool no;killall Dock