Save space with hardlinks
Hardlinks allow different directory entries to link to the same file content. TreeSize's full NTFS support utilizes hardlinks, e.g. to deduplicate files with identical content.
The disk space a file occupies does not change, no matter how many directory entries link to it. For the exact calculation of the occupied space it is vital to count hardlinked files only once - a task at which the Windows Explorer and most other tools fail.
Since the evaluation of every single file takes up additional time, the determination of hardlinks may be switched on or off in the "Options" dialog.
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