For people without much batch system experience, there is a free online training course at -- http://suned.sun.com/US/catalog/courses/WE-1600-90.html The first part talked about the concepts of batch system, and then more about the install&commands in later sections. Also, Najib contributed an SGE package in RPM, which may be useful for Linux installation -- http://www.remorseful.org/stuff.html (SGE is included in SuSE 8.0 professional, also in RPM) -Ron __________________________________________________ Do You Yahoo!? Yahoo! Health - your guide to health and wellness http://health.yahoo.com