How To Clear / Remove the GUID Partition Table (GPT) from a drive

If a drives has a GPT (GUID Parition Table) on it, Windows 7 and Linux will happily use it.  HOWEVER, all of the add-on tools to format a partition on that drive as fat32 (for those that are using large drives) do not understand that partition table type.

To clear the GPT entirely from a linux machine:

 parted /dev/sdc
 mklabel msdos
 quit

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