DiskPart.exe is a text-mode command interpreter that enables you to manage objects (disks, partitions, or volumes) by using scripts or direct input from a command prompt.

Commands
=============
list disk
List partition
select disk (id)
online disk (if the disk is not online)
attributes disk clear readonly
clean
convert mbr (or gpt)
create partition primary
select part 1
active (if this is the boot partition)
format fs=ntfs label=(name) quick
assign letter (letter)
list volume

For more information please check below article from MicroSoft

https://technet.microsoft.com/en-us/library/cc766465(v=ws.10).aspx

Please take the opportunity to connect and share this video with your friends and family if you find it useful.