Whats the best way to delete the OS from a drive? I have 3 drives in my mac and I have Jaguar, Tiger and Leopard on the three. Everytime a new OS came out, I just bought a new drive and installed it on the new drive and transfered data over. Now, I want to get rid of Jaguar to free up a drive for data use. The drive has data on it as well that I dont want to lose so should I just transfer that data and reformat the drive? or can I just delete the OS folders and be done with it?