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FSUTIL.exe (Win XP/2003 server)
File and Volume specific commands, Hardlink management, Quota management, USN, Sparse file, Object ID and Reparse point management
Create a hardlink FSUTIL hardlink create <new filename> <existing filename> Eg : fsutil hardlink create c:\foo.txt c:\bar.txt Create a new file of a specific size FSUTIL file createnew <filename> Eg : fsutil file createnew C:\testfile.txt 1000 Set the short name for a file FSUTIL file setshortname <filename> <shortname> Eg : fsutil file setshortname C:\testfile.txt testfile Set the valid data length for a file FSUTIL file setvaliddata <filename> <datalength> Eg : fsutil file setvaliddata C:\testfile.txt 4096 Set the zero data for a file FSUTIL file setzerodata offset=<val> length=<val> <filename> offset : File offset, the start of the range to set to zeroes length : Byte length of the zeroed range Eg : fsutil file setzerodata offset=100 length=150 C:\Temp\sample.txt List all drives (including mapped and Subst drives) FSUTIL fsinfo drives Query drive type for a drive FSUTIL fsinfo drivetype <volume pathname> Eg : fsutil fsinfo drivetype C: Query volume information FSUTIL fsinfo volumeinfo <volume pathname> Eg : fsutil fsinfo volumeinfo C:\ Query NTFS specific volume information FSUTIL fsinfo ntfsinfo <volume pathname> Eg : fsutil fsinfo ntfsinfo C: Query file system statistics FSUTIL fsinfo statistics <volume pathname> Eg : fsutil fsinfo statistics C: QUOTA Management FSUTIL quota {query|disable|track|enforce } C: FSUTIL quota violations FSUTIL quota modify <volume pathname> <threshold> <limit> <user> Eg : fsutil quota modify c: 3000 5000 domain\user Find a file by user name (if Disk Quotas are enabled) FSUTIL file findbysid <user> <directory> Eg : fsutil file findbysid scottb C:\users File system options: FSUTIL behavior query option FSUTIL behavior set option FSUTIL dirty query <volume pathname> FSUTIL dirty set <volume pathname> Where option is one of: disable8dot3 allowextchar disablelastaccess quotanotify mftzone Eg : FSUTIL behavior query disable8dot3 FSUTIL dirty query C: Query a reparse point FSUTIL reparsepoint query <filename> Eg : fsutil reparsepoint query C:\Server Delete a reparse point FSUTIL reparsepoint delete <filename> Eg : fsutil reparsepoint delete C:\Server Edit an object identifier FSUTIL objectid {query | set | delete | create} Set sparse file properties FSUTIL sparse queryflag <filename> FSUTIL sparse setflag <filename> FSUTIL sparse queryrange <filename> FSUTIL sparse setrange <filename> Eg : fsutil sparse queryflag "C:\My Test.txt" Query the allocated ranges for a file FSUTIL file queryallocranges offset=<val> length=<val> <filename> offset : File Offset, the start of the range to query length : Size, in bytes, of the range Eg : fsutil file queryallocranges offset=1024 length=64 C:\Temp\sample.txt
Sparse
files provide a method of saving disk space for files that contain meaningful
data as well as large sections of data composed of zeros. If an NTFS file is
marked as sparse, then disk clusters are allocated only for the data explicitly
specified by the application.
e.g. The Indexing Service, stores it's catalogs as sparse files.
Some of the features in fsutil can be implemented in NT and Win
2K by hacking the registry.
"Whether you think you can or think you can't -- you are right. ..."
- Henry Ford
Related Commands:
CACLS - Change file permissions
CHKNTFS - Check the NTFS file system
DevCon - Device
Manager Command Line Utility
DIRUSE - Display disk usage
FDISK - Disk Format and partition
SHORTCUT - Create a windows shortcut (.LNK file)
WINMSD - Windows NT Diagnostics
Q286164
- Hard Links and System Restore
Equivalent Linux BASH commands:
quota - Display disk usage and limits
quotacheck - Scan a file system for disk
usage
quotactl - Set disk quotas