This menu becomes active only if there is a list to scan.
Choose this option if you want to search for duplicate files.
This option is not available if you make a search within the frontmost window.
Choose this option if you want to search for unique files.
This option is not available if you make a search within the frontmost window.
Choose this item if you want to searh for empty folders.
This option is not available if you make a search within the frontmost window.