Freedup finds and eliminates duplicate files by linking them, and thus reduces the amount of used disk space within one or more file systems. By default, hardlinks are used on a single device, symbolic links when the devices differ. A set of options allows you to modify the methods of file comparison, the hash functions, the linking behavior, and the reporting style. You may use batch or interactive mode. Freedup usually only considers identical files, but when comparing audio or graphics files, you may elect to ignore the tags. License: GNU General Public License (GPL) Changes: When linking files, it is unavoidable to change the modification and the access time of the directory the target belongs to. For cases where this leads to additional (unwanted) actions, use the new -T option to make freedup keep the modification times of the affected directories. This option is added and documented. Makefile.tests is now more easily readable and reduced in size.

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