I have Lenovo S10 ideapad. The C expostulate is 188GB as well as D expostulate is 30GB. Now how can we assign my netbook. There have been informations which if we am starting to assign my C expostulate we will remove a duty of One Touch Key. How to safely assign it?

partition magic
Partition Magic , Gparted
Gparted is free.
http://gparted.sourceforge.net/