> O'm new to the list, so Im not sure if this has been covered, but someone > can crash any system with a few lines of code. (tested on UNIX, LINUX) > > Gcc it, run it and whatever system your on will crash. Is their any way > to stop users from doing this? I.e. restricting number of process that > can run? Try changing the setrlimit() in login. In particular, I think you might want to set RLIMIT_NPROC to something small like 60. That way, any programs spawned by login (and its child shells) will have that hard limit. -Nate