Both are pseudo file systems. I am a bit familiar with proc as it is useful in seeing system info and also change things like ip_forward on the fly, but not so familar with sysfs. Why do we need sysfs....what functionality does it bring that could not be provided by proc. thanks. george -- 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