Hi, I would like to know how do I do to trace down some function, such as a system call, in order to know exactly what it is doing. I tried 'ltrace cmd', but it doesn't seem to show me what the function is doing. Besides, I don't know how to trace down syscalls with ltrace. Thanks _______________________________________________________ Yahoo! Mail agora com 100MB, anti-spam e antivírus grátis! http://br.info.mail.yahoo.com/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/