| **nfd** [**-h**] [**-V**] [**-c** *file*] [**-m**] |
| ``-c <path/to/nfd.conf>`` or ``--config <path/to/nfd.conf>`` |
| Specify the path to nfd configuration file (default: ``${SYSCONFDIR}/ndn/nfd.conf``). |
| List available logging modules. |
| Print help message and exit. |
| Show version information and exit. |
| 1: An unspecified error occurred. |
| 2: Malformed command line, e.g., invalid, missing, or unknown argument. |
| 4: Insufficient privileges. |
| Start NFD forwarding daemon as super user and use a configuration file from the current |
| sudo nfd --config nfd.conf |