Moved to more appropriate forum. Next time you post here, you may want to make more of an effort at improving the layout of any posts of that size so that they are more readable. Use that Preview Post button, CODE tags, and so forth.
There are answers to how to check your kernel version and to find out what modprobe does on Google. It's basic Linux stuff which we expect our members to know, or to be able to find by themselves considering BackTrack is an Advanced Linux distro.