The Ubuntu developers are moving quickly to bring you the absolute latest and greatest software the Open Source community has to offer. The Lucid Lynx Alpha 3 is the third alpha release of Ubuntu 10.04, bringing with it the earliest new features for the next version of Ubuntu.
Note:- This is an alpha release. Do not install it on production machines. The final stable version will be released on April 29, 2010.
Ubuntu 10.04 Login screen