FSUTIL.exe – Windows CMD Command

File and Volume specific commands, Hardlink management, Quota management, USN, Sparse file, Object ID, and Reparse point management.

Filename management options (for the Local System):FSUTIL 8dot3name

View or set File system Behavior:FSUTIL behavior

Mark a File system as dirty to invoke Chkdsk:FSUTIL dirty

File operations:FSUTIL file

Display filesystem information:FSUTIL fsinfo

Manage hardlink(s):FSUTIL hardlink

Edit an object identifier:
FSUTIL objectid

QUOTA Management:FSUTIL quota

Self healing management:FSUTIL repair

Query a reparse point:FSUTIL reparsepoint

Transactional Resource Manager:FSUTIL resource

Sparse files:FSUTIL sparse

Enable management of storage tier functions, setting and disabling flags and listing of tiersFSUTIL tiering

Manages NTFS transactions.FSUTIL transaction

Manage the Update Sequence Number (USN) change journal:FSUTIL usn

Volume management, Dismount a volume or query the hard drive to determine how much free space is currently available or which file is using a particular cluster: FSUTIL volume

Functions to discover and manage Windows Image (WIM)-backed files:FSUTIL wim

To run FSUTIL, you must be logged on as an administrator or a member of the Administrators group.


FSUTIL outputs a NULL character (not a space) after every drive specifier, this can cause difficulty when piping the output of fsutil into other commands (particularly FOR). The output from FSUTIL varies by OS see this forum thread for more detail.

Some features in fsutil are reported to not work correctly under FAT or FAT32 volumes e.g. FSUTIL dirty query.

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