| | **nfd** [**-c**\|\ **\--config** *file*] |
| | **nfd** **-h**\|\ **\--help** |
| | **nfd** **-m**\|\ **\--modules** |
| | **nfd** **-V**\|\ **\--version** |
| NFD is a network forwarder that implements the Named Data Networking (NDN) protocol. |
| .. option:: -c <file>, --config <file> |
| Specify the path to NFD's configuration file. |
| Print help message and exit. |
| .. option:: -m, --modules |
| List available logging modules. |
| .. option:: -V, --version |
| Show version information and exit. |
| An unspecified error occurred. |
| Malformed command line, e.g., invalid, missing, or unknown argument. |
| ``sudo nfd --config nfd.conf`` |
| Start NFD as super user with a configuration file from the current directory. |