http://en.uptime-project.net/page.php?page=toplist&content=toplist&orderby=uptime%20DESC&site=1 http://en.uptime-project.net/page.php?page=toplist&content=toplist&orderby=uptime%20DESC&site=2 http://en.uptime-project.net/page.php?page=toplist&content=toplist&orderby=uptime%20DESC&site=3 This tracks individual users. Page through the list and you'll get the impression that Linux has a monpoly.