Inodes and disk contents

Can anyone point me to somewhere to find out more information about inodes and how they relate to the contents of a partition. I specifically want to know what happens when you reach the limit (if there is one) for the inodes on a disk/partition? Is there a way to increase the inodes available for instance? I've got a big disk (80Gb) with lots of data files on and it's soon going to be full. I'm interested to find out if I'll hit an inode limit before the actual disk space limit. Cheers, Jamie -- Jamie O'Shaughnessy jamie.oshaughnessy@ntlworld.com