The <b>VOSLAB</b> is designed to allow students to experiment with various aspects of operating systems in a "safe" environment.  Access to the machines is controlled by a gateway machine that provides access to the individual machines.  Users log in with their NETID (username) and their CS UNIX password and are assigned to their machine based on their group.  Along with network access to the machines, we provide the student with power control and console access through serial connections.  The power control allows a user to remotely power a machine on and off in the event of problems that may hang a machine.  The serial console access allows the user to diagnose problems that may have occurred during boot. In this way we give students total control of a their very own server in a way that you can't with production level servers and resources.