ComplexShutdown is simple ubuntu graphical user interface tool written in python to turn off your computer after a specific time and with some extra options.
To install ComplexShutdown on ubuntu
1.Go to ComplexShutdown launchpad download page and download ComplexShutdown .deb file.
2.Double-click the .deb package file or open the deb file with ubuntu software center.
3.Click the install button
4.Type your ubuntu password if needed.
5.After the successful installation click Applications icon from unity launcher. And type ComplexShutdown in the search applications field.And click ComplexShutdown to open ComplexShutdown.