Fsutil volume
Applies To: Windows 7, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista
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
| Parameter | Description |
|---|---|
diskfree |
Queries the hard disk drive to determine the amount of free space on it. |
dismount |
Dismounts a volume. |
<VolumePath> |
Specifies the drive letter (followed by a colon). |
querycluster |
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. |
<cluster> |
Specifies the logical cluster number (LCN). |
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