How to reset Dock in MAC OS

You can reset your Dock to its original settings (default icons, size etc) with the help of following steps-

1. Go to Launchpad, select Utilities and Click Terminal
   
   
   
2. type the following command
   rm ~/Library/Preferences/com.apple.doc.plist; killall Dock
   
   

Now you can see the Dock is rest to its original configuration.