how do you see program loaded on arduino?

This may be a simple question, but how do you check to see what program is already loaded into an arduino?
thanks,
-jim

http://forum.arduino.cc/index.php?topic=330171.msg2280262#msg2280262

You can't, at least not in the sense that I think you mean.
You could consider outputting the program name to the Serial monitor when it is run but you would need to code this when you write the program.