public String getOS() {
		try {
			OperatingSystemMXBean p = getOperatingSystemMXBeanProxy();
			return p.getName() + ", " + p.getArch();

		} catch (Exception ex) {
			throwException("getOS failed.", ex);
			return null; /* unreachable */
		}
	}
public String getOS ( ) { try { OperatingSystemMXBean p = getOperatingSystemMXBeanProxy ( ) ; return p . getName ( ) + ", " + p . getArch ( ) ; } catch ( Exception ex ) { throwException ( "getOS failed." , ex ) ; return null ; } }
@return