Today, April 21, 2016, Canonical has officially launched the new version of its widely used Ubuntu Linux operating system for PCs, laptops, netbooks, tablets, and smartphones.
Ubuntu 16.04 is now the latest and most advanced version of the Ubuntu OS, which has been dubbed Xenial Xerus by Canonical founder Mark Shuttleworth. It is an LTS (Long Term Support) release that will receive updates and security patches for five years, during which multiple point releases will be made available (Ubuntu 16.04.1, Ubuntu 16.04.2, etc.). Best of all, Ubuntu 16.04 LTS (Xenial Xerus) uses a long-term supported Linux kernel, version 4.4, which will also receive security updates and bug fixes for a few more years than a normal kernel release would.
Read more at Softpedia