CLI is an open source tool for using from your computer's command line. When you're working from the command line, you can use the CLI to save time and avoid switching context. For more information about the CLI, see About CLI.
gh es is a CLI extension that allows you to perform administrative tasks on your Enterprise Server instance by using the instance's REST API endpoints. For more information about CLI extensions, see Using CLI extensions.
You can use the gh es extension to manage the root site administrator password, configure maintenance mode, view metadata and status information for your instance's nodes, and more. For installation and usage instructions, see the /gh-es repository on .com.