January 31, 2012, 11:03 PM — Here's how you can add a dock bar similar to the one in Mac OS X to your Ubuntu Linux system.
1. Open a terminal window.
2. Type in the following commands and hit Enter.
sudo add-apt-repository ppa:cairo-dock-team/ppa
sudo apt-get update
sudo apt-get install cairo-dock cairo-dock-plug-ins
For more, see the original article at the link below.

Install Cairo Dock 2.4.0 on Ubuntu/Linux Mint | Noobslab














