Controlling the dashboard. Sometimes you just don’t want it around.
Note: This is a per user setting. I do not know how to disable it by default for every user.
Possibly if you make this change to /Library/Preferences/com.apple.dashboard - Make Dashboard go away defaults write com.apple.dashboard mcx-disabled -boolean YES Make Dashboard come back defaults write com.apple.dashboard mcx-disabled -boolean NO You have to restart the Dock to have this take effect killall Dock

Mac OS X Things :: Disable Dashboard