Usage: sub-commands [--config-file FILE_PATH] COMMAND

example with subcommands

Available settings:
  Show this help text
  switch: -h|--help

  Output version information: 0.0.0
  switch: --version

  Path to the configuration file
  option: --config-file FILE_PATH
  env: CONFIG_FILE FILE_PATH

Available commands:
  top   command without subcommands
  sub   command with subcommands