Ubuntu releases are made semiannually by Canonical Ltd, the developers of the Ubuntu operating system, using the year and month of the release as a version
computers. The first official release, Ubuntu Kylin 13.04, was released on 25 April 2013, on the same day as Ubuntu 13.04 (Raring Ringtail). Features include
Warning!This site do not save any files on server.Our site provide pdf files online search and view,all document files from internel and google.