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Latest Version
Ubuntu 11.10 Oneiric Ocelot > Download
October 2011
Latest LTS (Long Term Support) Release
Ubuntu 10.04 Lucid Lynx > Download
April 2010
Ubuntu release cycle is every 6 months or twice a year set at April (.04) and October (.10) on both Desktop and Server, and gets free updates for up to 18 months.
Long Term Support cycle is every 2 years, and supported up to 3 years for Desktop and 5 years for Server.
