At boot stage ,the process 1 will execute '/bin/sh' . as it needs ld.so to help loading other .so , it loads ld.so into memory and execute ld.so first . My question is when and how does ld.so transfer its execution to code of /bin/sh ? Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs