fdupes

{{Short description|Program to scan directories for duplicate files}}

{{Orphan|date=May 2017}}

{{lowercase|title=fdupes}}

{{Infobox software

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| developer = Adrián López

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| latest release version = {{wikidata|property|preferred|references|edit|P348|P548=Q2804309}}

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| programming language = C

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| license = MIT License

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| website = {{URL|https://github.com/adrianlopezroche/fdupes}}

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fdupes is a program written by Adrián López to scan directories for duplicate files,{{cite web |url=http://www.heise.de/ct/artikel/Auswahl-satt-291320.html |title = System-Utilities für alle Fälle {{!}} c't Magazin}} with options to list, delete or replace the files with hardlinks pointing to the duplicate. It first compares file sizes, partial MD5 signatures, full MD5 signatures, and then performs a byte-by-byte comparison for verification.

fdupes is written in C and is released under the MIT License.