retain Prepares an existing simple volume for use as a boot or system volume. When working
with an MBR disk, the utility adds the partition entry to the MBR. The dynamic system volume
must begin at a cylinder-aligned offset and be an integral number of cylinders in size. When
working with a GPT disk, the utility creates a partition entry in the GPT.
select disk[=n] Selects the specified disk and gives it focus. If you don??™t provide a number,
the utility lists the drive that has the focus.
select partition[=n] Selects the specified partition and gives it focus. If you don??™t provide
a number, the utility lists the partition that has the focus.
select volume[={n | d }] Selects the specified volume and gives it focus. You may provide
either a volume number or a drive letter as input. If you don??™t provide a number or letter,
the utility lists the volume that has the focus.
Managing Disk Performance with the DiskPerf Utility
The original purpose of the DiskPerf utility was to help you control monitoring of disk performance
on your computer. However, systems later than Windows 2000 keep the counters used to
monitor performance enabled permanently.
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