You should begin by having a look at the Official SystemImager Manual

Our manual has undergone a significant overhaul, courtesy of Denise Walters, a technical writer at Hewlett-Packard. Also, be sure to see the list of documentation contributors on the first page of the manual. Thanks, guys!

Documentation is a lot of work and a lot of work went into this documentation. Be sure to read it before posting questions to the email lists.