Please keep in mind the usage policies and nice your processes.
The nodes can be accessed just like any other machine. Simply use ssh to login to a machine. Once logged in, you can do pretty much anything that you can do on any typical Linux machine.
Please avoid running processes on the file servers.
Controlling/master processes can be run on one of the cluster nodes.
PVM is available on the cluster nodes.
The following compilers are available on the cluster: