The new session is not HP VUE. It is based on the VUE window manager, and includes similar key bindings, but documentation on HP VUE generally does not apply to the new session.
If you have customized your old twm environment, you can continue to use it; however, if you are going to be using CSU Chico equipment for more than a semester or two, it is recommended that take the time to move to the new environment and customize it now.
The following links will help you to understand how the new environment works and how to customize it.