CCBB clusters are based on the ROCKS cluster software. They current use the Sun Grid Engine batch queuing system to manage jobs. In order that the nodes of the cluster not be overloaded, you will be expected to submit jobs to SGE which then sends the jobs out to the nodes of the cluster for execution. In order not overload the nodes, SGE will schedule your job. This relieves you of the responsibility of having to do this at cost of having to learn how edit job script files, and also how to submit, monitor, and manage jobs.
We have some resources for this. First, we have a tutorial showing various aspects of the using the SGE system. Also, more advanced users may want to