The following are a few terms that appear in the documentation:
An optional script executed after a job completes. epilogue.user, epilogue.parallel and epilogue.precancel scripts also exist. See Appendix G: Prologue and Epilogue Scripts for more information.
An optional script executed before a job starts. prologue.user and prologue.parallel scripts also exist. See Appendix G: Prologue and Epilogue Scripts for more information.
The base directory for configuration directories. Defaults to /var/spool/torque (starting with version 2.1. Previously defaulted to /usr/spool/PBS)