private void printHeader() {
		this.ps.println(NAME + " started (" + new Date() + ")");
		Properties properties = System.getProperties();
		this.ps.println("Cogaen Core V" + getCore().getVersion() + " running on " 
				+ properties.getProperty("os.name") 
				+ ", V" + properties.getProperty("os.version") + 
				" (" + properties.getProperty("os.arch") + ")");
		this.ps.println("-------------------------------------------------------------------------------");
		this.ps.println();
	}