I have an SSD (256 GB) and a HDD (500 GB). Currently, I have Windows 8 installed on the SSD and Ubuntu taking up the whole of HDD. I wish to create a separate partition in the HDD (of approx 300 GB space) such that both Windows and Ubuntu can access it.
I know that it has to be an NTFS partition. What I wish to know is where should I be creating this partition from - Ubuntu or Windows? Also, what's the best to go about doing it.
Here is the present situation :