Chapter 11. Partitioning Basic Disks
When you install a new computer or update an existing computer, you'll often need to partition the hard disk drives on the computer. DiskPart can use the Master Boot Record (MBR) or GUID Partition Table (GPT) partition style. When you use the MBR partition style, a drive can have up to four primary partitions or three primary partitions and one extended partition. When you use the GPT partition style on Windows Vista or Windows Server 2008, there are two required partitions on bootable or system disks (the EFI system partition and the Microsoft Reserved partition), and one or more optional OEM or data partitions for a total of as many as 128 partitions.
Obtaining Partition Information
When you work with DiskPart, ...