defrag?
 

do i need to worry about disk defragment in linux? is there such a thing?

Nope, no need to worry about it.

the quick answer is no...

i had a nice link to a post from suse which i am trying to dig up again, but i did come across this in that process:
http://www.linuxforum.com/forums/ind...owtopic=111917

here it is...
http://portal.suse.com/sdb/en/2002/06/ext2frag.html