Using Application Launchers
After you successfully install a desktop application, the first thing you generally want to do is start it. To find out how, consult the documentation that came with your application or the website from which it was downloaded for detailed instructions. Usually, an application is launched using one of two techniques:
If the application adds itself to the Applications menu, you navigate to the correct menu item and select it.
If the application doesn't add itself to the Applications menu, you must start a terminal and launch the application at the command line.
If you install an application that requires the latter, as is the case with many older applications and many applications from the Unix world, you might find ...