help - Display information about a command
The help
command displays information about how to use a command.
For example, to see a list of Swarm options and commands, enter:
$ docker run swarm --help
To see a list of arguments and options for a specific Swarm command, enter:
$ docker run swarm <command> --help
For example:
$ docker run swarm list --help Usage: swarm list [OPTIONS] <discovery> List nodes in a cluster Arguments: <discovery> discovery service to use [$SWARM_DISCOVERY] * token://<token> * consul://<ip>/<path> * etcd://<ip1>,<ip2>/<path> * file://path/to/file * zk://<ip1>,<ip2>/<path> * [nodes://]<ip1>,<ip2> Options: --timeout "10s" timeout period --discovery-opt [--discovery-opt option --discovery-opt option] discovery options
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