Canonical on Thursday launched Ubuntu 16.04, aka "Xenial Xerus," an upgrade that will be supported for the next five years. The latest version for all desktop, server and cloud editions will be available for download starting Thursday. Ubuntu 16.04 includes four major technology advancements geared toward multiplatform uses. Xenial Xerus is the sixth Long Term Support release for Ubuntu. It marks the first time the platform is supported on mainframes, making it one of the world's largest and most powerful Linux systems, the company said.