d2 CLI Overview
First, make sure you've got the CLI installed globally before you can use it. Once you've installed it you can run the d2 --help command to see the available commands, as shown below.
d2 --help
Commands:
  d2 app                   Front-end application and library commands
  d2 cluster               Manage DHIS2 Docker clusters             [aliases: c]
  d2 create <type> [name]  Create various DHIS2 components from templates
  d2 style                 DHIS2 programmatic style for commit msgs/code
                                                                    [aliases: s]
  d2 utils                 Utils for miscellaneous operations
  d2 debug                 Debug local d2 installation
Global Options:
  -h, --help     Show help                                             [boolean]
  -v, --version  Show version number                                   [boolean]
  --verbose      Enable verbose messages                               [boolean]
  --debug        Enable debug messages                                 [boolean]
  --quiet        Enable quiet mode                                     [boolean]
  --config       Path to JSON config file