The default is not "minix". The default is to try all of the types in /proc/filesystems in order. Another thing you can do, if you are running a 1.3.8x kernel, is give no filesystem option, let the kernel figure it out, and then read the filesystem type out of /proc/mounts . Bruce -- Pixar Animation Studios: Reality is not our business. Pixar's "Toy Story" $184.5M domestic, $66M overseas and counting.