❯ next --help

    Usage
      $ next <command>

    Available commands
      init, build, start, dev

    For more information run a command with the --help flag
      $ next init --help
  

❯ next dev --help

    Description
      Starts the application in development mode (hot-code reloading, error
      reporting, etc)

    Usage
      $ next dev <dir> -p <port number>

    <dir> represents where the compiled .next folder should go.
    If no directory is provided, .next will be created in the current directory

    Options
      --port, -p      A port number on which to start the application
      --help, -p      Displays this message