> I had two linux partitions, one root and one for data (and one swap 
> of course). The data partition I was mounting as /home. However, now 
> I want to change this so that /home uses space on the root partition 
> itself while the data partition (though formatted and mounted under 
> linux) is available to me for other purposes... how do I do this?

The easiest way without fuss is to:

* boot into single user mode
* login as root
* umount /home
* modify /etc/fstab to your new /home
* remount /home
* reboot

Michael.