There are a lot of options in the Free UNIX market at the moment. Everyone’s favorite buzzword is Linux, and Sun is in the process of releasing Solaris under a Free Software license. One family, however, receives less attention than it is due. Berkley Software Distribution (BSD) has grown into almost a complete replacement for UNIX, with numerous enhancements. David Chisnall explains why the BSD family has found its way into a large number of systems and what these systems can do for you.