pcmag.com — Canonical today announced the release of the latest edition of its popular free Linux distribution, Ubuntu: version 12.04. Nicknamed "Precise Pangolin," after the scaled mammal found in southern Africa and southeast Asia, version 12.04 is based on the 3.0.2 Linux kernel, aimed primarily at enterprise users, and is the fourth long-term support (LTS) release for the operating system, with maintenance updates guaranteed for five years.