private void shutdownCommand(String args[]){
		if(args.length >= 2){
			String reason = "";
			if(args[1].startsWith("\"") && args[args.length-1].endsWith("\"")){
				for(int i=1;i<args.length;i++){
					if(!reason.isEmpty())
						reason += " ";
					reason += args[i];
				}
				reason=reason.substring(1, reason.length()-1);
			}
			ctrl.shutdown(reason);
		}
		else if(args.length == 1){
			ctrl.shutdown("");
		}
		else{
			System.out.println("Illegal number of parameters.");
		}
	}