In the two years since it first appeared, Ubuntu -- an operating system based on Debian Linux with GNOME as its primary desktop environment -- has created enormous interest. By concentrating on usability and straightforward packaging, the Ubuntu community is making a sustained assault on behalf of mainstream acceptance for the free, open-source operating system. Version 6.06 LTS (Long Term Support) is claimed to be the most stable, usable and enterprise-ready Ubuntu distribution yet. It's available in 40 languages, with free community-based support and global enterprise-class support from Canonical, the company behind Ubuntu. There's also a growing number of companies offering local support for Ubuntu: the European list is here.