--- description: Get help for Swarm commands. keywords: swarm, help title: 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 --help For example: $ docker run swarm list --help Usage: swarm list [OPTIONS] List nodes in a cluster Arguments: discovery service to use [$SWARM_DISCOVERY] * token:// * consul:/// * etcd://,/ * file://path/to/file * zk://,/ * [nodes://], Options: --timeout "10s" timeout period --discovery-opt [--discovery-opt option --discovery-opt option] discovery options