Hey all, Thanks for all the suggestions. In the end I've come up with a good enough for now solution. For those that are curious, here's what I plan to do to produce a list of cards using the driver of interest. modprobe -c | grep *driver* | sed s/"alias "/""/g | sed s/" *driver*"/""/g The output looks like this... eth0 eth2 -- Jesse Erdmann Engineer Secure Computing Corp.