# bleachbit > Clean junk files on the filesystem. > More information: . - Start the graphical user interface (GUI) version of Bleachbit: `bleachbit --gui` - Shred a file: `bleachbit {{[-s|--shred]}} {{path/to/file}}` - List available cleaner options: `bleachbit {{[-l|--list-cleaners]}}` - Preview the files that will be deleted and other changes that will be made before actually performing the clean-up operation: `bleachbit {{[-p|--preview]}} --preset {{cleaner1.option1 cleaner2.option2 ...}}` - Perform the clean-up operation and delete files: `bleachbit {{[-c|--clean]}} --preset {{cleaner1.option1 cleaner2.option2 ...}}`