duplicate-files

FSlint is a simple yet very easy to use utility to find and clean various forms of lint on a filesystem. i.e., unwanted or problematic cruft in your files or file names. For example, one form of lint it finds is duplicate files. FSlint operates in both GUI and Command Line mode and the GUI is very straight forward to use especially there isn’t much of hidden menu options

fdupes is a simple Command Line utility to find and list duplicate files in the specified directories. fdupes can also delete the found duplicate files if instructed. fdupes can follow Symlinks and can be instructed to ignore hardlinks. fdupes can also show the size of the duplicate files. fdupes is a simple and very efficient tool, easy to use.