The graphical user interface (GUI) is pretty self-explanatory. You can easily get around and connect to the internet and open up your web browser. All of that is pretty easy, as you can see in the following screenshot.
You can use Ubuntu Software to install new software programs on your system.
You can use Dash the same way you would use the Start menu on Microsoft Windows to launch your applications.
LibreOffice Writer is an excellent word processor that has the same functionality as Microsoft Word with only one difference; it's free!
Right now, you can be a casual Linux user, which means you can use Linux to do the basic tasks that everyday users do: surfing YouTube, sending Emails, searching Google, etc. However, to be a power user, you need to be proficient at using the Linux Command Line Interface.
To access the Linux Command Line Interface, you need to open the Terminal Emulator, which is often referred...