public static String getOS() {
		String fullName = System.getProperty("os.name").toLowerCase();
		if(fullName.startsWith("windows")) {
			return "windows";
		} else if(fullName.startsWith("mac")) {
			return "macosx";
		} else if(fullName.startsWith("linux")) {
			return "linux";
		} else if(fullName.startsWith("sun") || fullName.startsWith("solaris")) {
			return "solaris";
		} else if(fullName.startsWith("freebsd")) {
			return "freebsd";
		}
		return "unknown";
	}