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How do I defragment "C:\$Logfile"?

The $Logfile is a special NTFS system file. It is a circular log of all disk operations and is used to safely roll back unsuccessful disk operations. The file has a fixed size and is allocated when the disk is formatted. It cannot be deleted, moved, or defragmented.
  • The "chkdsk" Windows commandline utility can show and change the size of the $Logfile. Making the $Logfile bigger will not move it, but will append a new fragment. Making the $Logfile smaller will remove fragments from the end.
    CHKDSK c: /L

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*  Frequently Asked Questions