Black or dark stools are a common side effect that may be the harmless result of unabsorbed iron. Whether you are taking iron supplements alone or a multivitamin with iron, you may experience this. Check with your doctor or healthcare provider to find the cause of black stools.
CCYYMMDD is just yyyyMMdd. The CC is for the two digit century which is the same as the first two digits of the year. I think people do that because people see yyyy and still type 12 instead of 2012. So today's date would be 20120717.
CPY is a file extension, a key that helps to identify the format and contents of a computer file. A .cpy file provides data for a number of different processes. Primarily, it is known as a storage file for eCopy, a technology company that develops imaging software.