The _slides versions are marked "non-printable" in order to make it easier for you to save paper. If you really need a hard copy, use the _handout version, or even better the _notes version (that contains some additional material and is much more compact).
(assuming I can do advanced scripting...)
Why do we need parallel file systems in the HPC world; an overview of Lustre
Introduction to the TORQUE resource manager and the Maui scheduler