what can do with ubuntu?
["New Changes in Ubuntu 18.10 'Cosmic Cuttlefish'", 'Enable Additional Repositories.', 'Check for Update and Upgrade.', 'Install Latest Graphics Drivers.', 'Customize Gnome Shell.', 'Install Gnome Shell Extensions.', 'New GTK and Icon Themes.', 'Third-party Media Codecs & Extras.']