Select Partition
DiskPart
This is from Microsoft Technet. If you want to see it at their site, click here
To access DiskPart, click here
Syntax: select partition=[{n|d}]
Selects the specified partition and gives it focus. If you do not
specify a partition, the select command lists the
current partition with focus. You can view the numbers of all
partitions on the current disk by using the list partition command.
n
Specifies the number of the partition to receive the focus.
d
Specifies the drive letter or mount point path of the partition to
receive the focus.