hi i was researching a bit on PA-RISC linux, a flavour of linux that wud work on the PA RISC based processors by hp. i did not find any document or article stating *what* the parisc patch does to the kernel to make it risc compatible... i looking for some theory here :) thx ------------------------------------ GNUrpreet Singh MPIT 1 (Nw specialization) Symbiosis Center for IT www.scit.edu