I don't have an Duemilanove, but on a Arduino Uno this uploads the blink328.hex file to the board. (the Uno connected via USB cabel)
avrdude -patmega328p -Pcom20 -carduino -D -U flash:w:blink328.hex:i
I don't have an Duemilanove, but on a Arduino Uno this uploads the blink328.hex file to the board. (the Uno connected via USB cabel)
avrdude -patmega328p -Pcom20 -carduino -D -U flash:w:blink328.hex:i