nRF Util: Displaying help

Add --help to any nRF Util command to display help about the command.

The following command line context-sensitive help is available for commands and subcommands:

See some examples in the following table:

Table 1. Useful help commands
Run	Description
nrfutil --help	To view help on the nRFutil command.
`nrfutil device -help`	To view concise help on the device command.
`nrfutil device list --help`	To view help on the nrfutil device list subcommand.

If you need usage instructions while writing a command, you can use -h and --help, regardless of any other arguments supplied. For example,

nrfutil device program --firmware firmware.hex --options --help

shows the usage instructions for nrfutil device program.