defaults:tldr:417ba

The command "defaults write com.apple.Dock expose-animation-duration -float 0.1" is used to modify a specific setting within the macOS Dock.

Here's a breakdown of the different components of the command:

• "defaults write" is a system command used to write or modify configuration settings.
• "com.apple.Dock" represents the identifier or domain of the Dock application that we want to modify.
• "expose-animation-duration" is the specific setting within the Dock that we want to change. In this case, it refers to the duration of the animation when entering or exiting Mission Control or App Exposé.
• "-float" indicates the data type that will be provided as the value for the setting. In this case, it expects a floating-point number (a decimal value).
• "0.1" is the actual value we want to set for the "expose-animation-duration" setting. In this case, it's set to 0.1 seconds.

So, by executing this command, we are setting the animation duration for Mission Control and App Exposé in the Dock to 0.1 seconds, making the animations faster.