To obtain best results with your pc, it is important to regularly maintain the efficiency of the OS (Ubuntu in our tests). Unfortunately, we were not able to find a specific program which could manage all the necessary tasks but we discovered some useful command lines to be used in your konsole. For this reason, today, in our Linux Page (in Spanish), we have posted a brief but complete manual about erasing cache, orphan links-software and unnecessary programs in Ubuntu. To keep your Ubuntu always fast and efficient we believe that you should use the described command lines at least once a month. Enjoy it!