defaults write com.apple.dashboard devmode
YES
saved by27 people, first byDaniel Wittberger on 2007-03-20, last bymarc uhlig on 2008-08-14
defaults write com.apple.iTunes
invertStoreLinks -bool YESdefaults write com.apple.Dock showhidden
-bool YESdefaults write -g
NSNavPanelExpandedStateForSaveMode -bool TRUE
Mac OS X and its applications that aren't accessible
from preferences dialog boxes or the System
Preferences. Applications such as Tinkertool and Mac
Pilot allow you to access some of these, but the real
flexibility is from the Terminal. From here it is
possible to edit any preferences file for any
application on your Mac."