You are encouraged to read the following manuals and HOWTOs. The information in them is helpful.
lsmod
modprobe
mount
mv
su
fstab
mtab
dir
install
mknod
chown
Module-HOWTO
Bash-Prog-Intro-HOWTO
SCSI-2.4-HOWTO
Hardware-HOWTO
Most distros come with all the HOWTOs. If yours did not, they are available at:http://www.tldp.org.
http://www2.one-eyed-alien.net/~mdharm/Linux-usb/
http://www.Linux-usb.org/USB-guide/book1.html