It was developed for use at NASA Ames Research Center under contract by MRJ Technology Solutions .
Support costs money.
To date, I'm the main pbs administrator but Chad Roberts also knows what he's doing. Assumes a shared directory structure on PBS nodes. Can have multiple sequences per job and can limit the number of waiting jobs it has in queue at any given time. Makes sure all seqs in a dir have been blasted. It's useful for starting the same program on all nodes.