I was just wondering if Time Machine controls a whole external hard drive or can you back up your Mac and still use the other space on your HD for storing other files. I hope this is understandable 
This is quite important as it will save me £200 or cost me £200 depending on the answer when buying my Mac in a few weeks time.
This is quite important as it will save me £200 or cost me £200 depending on the answer when buying my Mac in a few weeks time.