How to enable 2d dock on osx: This post will show you how to enable the black 2d dock in osx.
enable 2d dock on osx
open terminal and type:
defaults write com.apple.dock no-glass -boolean YES
killall Dock
This will change a setting and re-start your dock, the 3d effect will be disabled.
To get back to the 3d dock
open terminal and type:
defaults write com.apple.dock no-glass -boolean NO
killall Dock
thanks!