Ubuntu is a free, open source Linux-based operating system that starts with the breadth of Debian and adds regular releases (every six months), a clear focus on the user and usability (it should “Just Work”, TM) and a commitment to security updates with 18 months of support for every release (and with 6.06 LTS you get 3 years on the desktop and 5 on the server!). Ubuntu ships with the latest GNOME release as well as a selection of server and desktop software that makes for a comfortable desktop experience off a single installation CD.
Ubuntu offers you a complete Linux-based operating system, including all the major applications you need to play and work. With a strong focus on a desktop that Just Works, Ubuntu is a great choice for home or the office. The base system and all included software is free, and support is available from the community or by professional support providers.
When you start the system for the first time you are greeted by a desktop that is unusually clean and tidy. No desktop icons by default! Even the recycling bin has been moved down to the taskbar. The default theme is designed to be easy on the eye. But Linux is inherently flexible; you can customise the look and behaviour of the desktop in a range of ways, from simply changing the default theme to selecting a different desktop environment altogether.
I have taken ubuntu 6.06 destop screenshots tour this includes internet,graphics, sound&audio,Office,network and other applications.
Click on the following image to view complete ubuntu desktop gallary.