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Thursday, June 1, 2017

fdupes – A Command Line Tool to Find and Delete Duplicate Files in Linux

It is a common requirement to find and replace duplicate files for most of the computer users. Finding and removing duplicate files is a tiresome job that demands time and patience. Finding duplicate files can be very easy if your machine is powered by GNU/Linux, thanks to ‘fdupes‘ utility.
Find and Delete Duplicate Files in Linux
Fdupes – Find and Delete Duplicate Files in Linux

What is fdupes?

Fdupes is a Linux utility written by Adrian Lopez in C programming Language released under MIT License. The application is able to find duplicate files in the given set of directories and sub-directories. Fdupes recognize duplicates by comparing MD5 signature of files followed by a byte-to-byte comparison. A lots of options can be passed with Fdupes to list, delete and replace the files with hardlinks to duplicates.
The comparison starts in the order:
size comparison > Partial MD5 Signature Comparison > Full MD5 Signature Comparison > Byte-to-Byte Comparison.


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