hello Sir, I want to modify dummy.c and reuse it. can anybody guide me, how to recompile dummy.c and include it again using insmod i.e make dummy.o with my modifications. when i try to recompile it using gcc -o dummy -lm dummy.c , it gives me hundreds of errors. any help will be greatly appreciated. i even tried to copy it in my home dir but again teh same result. plz help. phoram mehta - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html