help - Display information about a command The help command displays information about how to use a command. For example

Swarm — A Docker-native clustering system The swarm command runs a Swarm container on a Docker Engine host and performs the task

list — List the nodes in a cluster Use list to display a list of the nodes in a cluster. To list the nodes in a cluster, use the

manage — Create a Swarm manager Prerequisite: Before using manage to create a Swarm manager, establish a discovery backend as described in

join — Create a Swarm node Prerequisite: Before using join, establish a discovery backend as described in

create — Create a discovery token The create command uses Docker Hub’s hosted discovery backend to create a unique discovery token