Ubuntu 12.04 is the latest version of Canonical's flagship operating system featuring the Unity user interface and Head-Up Display menu system, has been released. Ubuntu 12.04 LTS (Long-Term Support) is Code-named 'Precise Pangolin'. It continues Ubuntu's proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. For PC users, Ubuntu 12.04 supports laptops, desktops, and netbooks with a unified look and feel based on an updated version of the desktop shell called 'Unity', which introduces 'Head-Up Display' search capabilities.