code: func (darwin *darwinRecord) Stop() (string, error) {
  	stopAction := "Stopping " + darwin.description + ":"
  
  	if ok, err := checkPrivileges(); !ok {
  		return stopAction + failed, err
  	}
  
  	if !darwin.isInstalled() {
  		return stopAction + failed, ErrNotInstalled
  	}
  
  	if _, ok := darwin.checkRunning(); !ok {
  		return stopAction + failed, ErrAlreadyStopped
  	}
  
  	if err := exec.Command("launchctl", "unload", darwin.servicePath()).Run(); err != nil {
  		return stopAction + failed, err
  	}
  
  	return stopAction + success, nil
  }
docs: // Stop the service