To view all top-level GitHub CLI commands, entergh without arguments.

gh

To list all of the subcommands that you can use with a GitHub CLI command, use the top-level command without arguments.

gh COMMAND

For example, to view the environment variables that you can set to affect certain aspects of GitHub CLI, use theenvironment command.

gh environment

To view the configuration settings that you can set, use theconfig command.

gh config

To view help for a particular subcommand, use the--help flag.

gh COMMAND [SUBCOMMAND ...] --help

All of the information that's available by running these commands in the terminal is also included in theGitHub CLI online manual.