freedup: freedup (Duplicate file finder and linker) freedup: freedup: Freedup walks through the file trees (directories) you specify. freedup: When it finds two identical files on the same device, it hard freedup: links them together. freedup: freedup: In this case two or more files still exist in their respective freedup: directories, but only one copy of the data is stored on disk; freedup: both directory entries point to the same data blocks. freedup: freedup: