Unity icon size

2 quick tips for the Unity dock:

1) to move the icons around, you need to press and hold left mousebutton for a short while.

2) to reduce icon size in the Unity Doc:

- install CCSM through SW Center,

- start CCSM, and search for 'Unity Plugin'

- Select the Experimental pane, and slide the 'Launcher Icon size' to the desired  size: