Here's how you can install the Unity Smart Scopes in Ubuntu 13.04.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each.
sudo add-apt-repository ppa:ubuntu-unity/experimental-certified
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install ubuntu-unity-experimental-certified
sudo apt-get upgrade
3. Restart your system after everything is installed.
For more, see the original article at the link below.
Unity Smart Scopes in Ubuntu 13.04 | Web UpD8