===== HowTo create a System Default Dock on Os X =====

  - Create a standard user account
  - Login as this user
  - Personalize the Dock
  - Logout
  - Login with an account that has administrative rights
  - Open a terminal window
  - Execute these commands:
<code>
    sudo cp /Users/<user you used at point 2>/Library/Preferences/com.apple.dock.plist /System/Library/User\ Template/English.lproj/Library/Preferences
    sudo chmod 600 /System/Library/User Template/English.lproj/Library/Preferences/com.apple.dock.plist
</code>
From now all the new accounts created will use this standard Dock as default.