fdupes: removal of duplicate files

wiki/linux/fdupes.md

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+# fdupes
+
+[fdupes](https://github.com/adrianlopezroche/fdupes) is a command-line utility
+for identifying and deleting duplicate files residing within one or more
+specified directories.
+
+## Installation
+
+The fdupes program can be installed by going to the
+[github page of it](https://github.com/adrianlopezroche/fdupes/releases).
+Alternatively many linux package managers package fdupes in the `fdupes`
+package.
+
+## Usage
+
+Running `fdupes <path to directory>` find the duplicates inside the given
+directory.
+Using the `-r` flag the program will search in the subdirectories aswell.
+`-d` signals to delete the duplicates and will force a dialogue to select which
+version of the file to keep.
+This dialogue can be skipped by using `-N` which will select the first file of
+a set of multiple duplicates.
+
+A complete and automatic removal of all duplicates within a directory and its
+subdirectories works with the following command:
+`fdupes -rNd <path to directory>`.