# nm > List symbol names in object files. > More information: . - List global (extern) functions in a file (prefixed with T): `nm {{[-g|--extern-only]}} {{path/to/file.o}}` - List only undefined symbols in a file: `nm {{[-u|--undefined-only]}} {{path/to/file.o}}` - List all symbols, even debugging symbols: `nm {{[-a|--debug-syms]}} {{path/to/file.o}}` - Demangle C++ symbols (make them readable): `nm {{[-C|--demangle]}} {{path/to/file.o}}`