1arduino-cli board listall [boardname] [flags]

1arduino-cli board listall
2  arduino-cli board listall zero

1-h, --help          help for listall
2  -a, --show-hidden   Show also boards marked as 'hidden' in the platform

1--additional-urls strings   Comma-separated list of additional URLs for the Boards Manager.
2      --config-dir string         Sets the default data directory (Arduino CLI will look for configuration file in this directory).
3      --config-file string        The custom config file (if not specified the default will be used).
4      --json                      Print the output in JSON format.
5      --log                       Print the logs on the standard output.
6      --log-file string           Path to the file where logs will be written.
7      --log-format string         The output format for the logs, can be: text, json (default "text")
8      --log-level string          Messages with this level and above will be logged. Valid levels are: trace, debug, info, warn, error, fatal, panic (default "info")
9      --no-color                  Disable colored output.