Add Features to OS X

OS X always has a few features hidden away that can only be accessed via a Terminal command. Sometimes these are features you've always wanted, while other times they're just not needed by most people, a little buggy, or meant for developers. Enable the 2D Dock Don't like that 3D dock? It's easy to make it 2D (Doesn't work in Mavericks): defaults write com.apple.dock no-glass -bool true If you want that 3D dock back, just change true to false.