What does docker --help provide?

What does docker --help provide?

• A. The current Docker version
• B. A listing of all Docker commands and options
• C. The help for a specific command only
• D. A listing of all Docker commands and options

Answer: (D)

docker --help provides a broad overview of the CLI: it shows usage syntax and a listing of all available subcommands along with the global options you can apply to any command. This top-level reference helps you quickly see what you can do with the Docker CLI and how to structure commands. It does not show the current Docker version (that requires --version or docker version), and it doesn’t print the help for a specific command unless you request it for that command (for example, docker run --help). In short, it’s the general reference that lists commands and options you can use.

docker --help provides a broad overview of the CLI: it shows usage syntax and a listing of all available subcommands along with the global options you can apply to any command. This top-level reference helps you quickly see what you can do with the Docker CLI and how to structure commands. It does not show the current Docker version (that requires --version or docker version), and it doesn’t print the help for a specific command unless you request it for that command (for example, docker run --help). In short, it’s the general reference that lists commands and options you can use.