Dismounts a volume, or queries the hard disk drive to determine how much free space is currently available on the hard disk drive or which file is using a particular cluster.
For examples of how to use this command, see Examples.
Syntax
fsutil volume [diskfree] <VolumePath>
fsutil volume [dismount] <VolumePath>
fsutil volume [querycluster] <VolumePath> <Cluster> [<Cluster>] … …
Parameters
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Parameter
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Description
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diskfree
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Queries the hard disk drive to determine the amount of free space on it.
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dismount
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Dismounts a volume.
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<VolumePath>
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Specifies the drive letter (followed by a colon).
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querycluster
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Finds which file is using a specified cluster. You can specify multiple clusters with the querycluster parameter.
This parameter applies to: Windows Server® 2008 R2 and Windows® 7.
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<cluster>
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Specifies the logical cluster number (LCN).
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Examples
To dismount a volume on drive C, type:
fsutil volume dismount c:
To query the amount of free space of a volume on drive C, type:
fsutil volume diskfree c:
To find the file(s) that are using the clusters, specified by the logical cluster numbers 50 and 0x2000, on drive C, type:
fsutil volume querycluster C: 50 0x2000