If you were sat at your Linux computer one dark evening in late 1999, things would have been considerably different. Your machine would probably be running either Red Hat 6.1 or Mandrake 6. Outside your window, the world was going crazy for all things dotcom. Microsoft was prepping both Windows 2000 and its ill-fated Millennium edition, while Apple had just released OS 9 and its Power Mac G4. As a Linux user, you'd have been an uber-geek, someone with an obsessive interest in computing and far too much time on your hands. But things have changed. Linux is now an operating system anyone can install and use, and it's growing stronger every year. Here's how it happened.