 however cracking and reverse engineering tools are not so ubiquitous on unix as they are on windows platform for two main reasons NUMBER the main customers of commercial unices solaris hp ux aix sco are respectable companies they are ready to pay big bucks for software they need the reputation matters NUMBER most software for free and open source unices like linux and xbsd this software often may be used on commercial unices as well is well free and open source thanks to your answers i start to see where i should head for what are your sugestions for protecting a NUMBER online requirement system yannick gingras coder for obb observing bantu speaking butanone URL 