# rmlint > Find space waste and other broken things on your filesystem. > More information: . - Check directories for duplicated, empty and broken files: `rmlint {{path/to/directory1 path/to/directory2 ...}}` - Check for space wasters, preferably keeping files in tagged directories (after the double slash): `rmlint {{path/to/directory}} // {{path/to/original_directory}}` - Check for space wasters, keeping everything in the untagged directories: `rmlint --keep-all-untagged {{path/to/directory}} // {{path/to/original_directory}}` - Delete duplicate files found by an execution of `rmlint`: `./rmlint.sh` - Find duplicate directory trees: `rmlint --merge-directories {{path/to/directory}}` - Mark files at lower path [d]epth as originals, on tie choose shorter [l]ength: `rmlint --rank-by={{dl}} {{path/to/directory}}` - Find only duplicates that have the same filename in addition to the same contents: `rmlint --match-basename {{path/to/directory}}` - Find only duplicates that have the same extension in addition to the same contents: `rmlint --match-extension {{path/to/directory}}`