Linux, a robust open-source kernel, fills a gap in GNU software until HURD is ready .. and maybe even for a long time thereafter.
A favorite choice for advanced users and devoted gamers, Linux-based systems are also a good choice for web servers and other secure systems. Because Linux and its related components are open source, attacks on its security are answered by the open source community.
In production computing environments, scalable and powerful Linux-based systems compete successfully with other Unix system variants and the various editions of Windows Server.
We are skilled users of Linux-based systems, totally at home at the command line, and experienced administrators of Red Hat and Suse Linux.