You can organize and store files in the documents section of the home section of your OS. You can also rename files from this section. Under the gear icon and the under devices icon you can troubleshoot and adjust settings. You can install and uninstall applications in the software center. You can change directories from the home. I did not know that Ubuntu had a built in software center. I also did not know they had their own word processor. Super computers use a form of linux where many home computers use windows 7. The worlds fastest super computer is Tianhe-2 (MilkyWay-2) in China. The Titan and the Sequoia are two that are in the United States.