Using Docker man, help, info

The Docker daemon listens on unix:///var/run/docker.sock but you can bind Docker to another host/port or a Unix socket. The Docker client (the docker utility) uses the Docker API to interact with the Docker daemon.

The Docker client supports dozens of commands, each with numerous options, so an attempt to list them all would just result in a copy of the CLI reference from the official documentation. Instead, we will provide you with the most useful subsets of commands to get you up and running.

You can always check available man pages for all Docker sub-commands using:

$ man -k docker

You will be able to see a list of man pages for Docker and all the sub-commands available:

$ man docker
$ man docker-info
$ man Dockerfile

# docker info --help
Usage: docker info
Display system-wide information
--help             Print usage

The docker utility allows you to manage container infrastructure. All sub-commands can be grouped as follows: