Find and remove duplicate files to free up disk space.
Duplicate file utility
czkawka$ czkawka dup -d /path/to/directory$ czkawka dup -d /path/to/directory -v$ czkawka dup -d /path/to/directory -m hash$ czkawka empty -d /path/to/directory$ czkawka broken-symlinks -d /path/to/directory