Freedup uses filesystem links to eliminate duplicate files and thus reduce the amount of used disk space within one or more file systems. Freedup searches all given file system trees for identical files and links them to the most frequently referenced inode or to the inode of the first file tree. If the devices differ, a symbolic link is used instead of a hard link. Symbolic links will not replace files when at least one of the directory trees does not start with a "/" (unless overridden by the -s option). License: GNU General Public License (GPL) Changes: The performance of freedup was improved by reducing the number of file system reads. Additional functionality is provided, since "locate" (or other applications) are allowed to send file names to standard input of freedup. A man page was added with more detailed information than help. In order to improve quality, further tests and rules were added to the Makefile. The bugs concerning "-a" support and the incomplete basename macro were fixed.

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