Now you can Shutdown, Hibernate, and restart from Unity Dash in Ubuntu 12.04 Precise Pangolin. It is really useful for those user who don't like to touch mouse or they used to use Unity Dash for everything. So here is the small solution to perform these actions easily.
Installation of Power Buttons, open Terminal and enter commands:
Shutdown
Restart
Sleep/Suspend
Hibernate
Installation of Power Buttons, open Terminal and enter commands:
sudo add-apt-repository ppa:atareao/atareao
sudo apt-get update
sudo apt-get install power-commands
Via: Atareao Launchpad
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