How to get a list of parrallel port and serial port?

How is it possible to get Linux (Knoppix 3.6 from Live CD) to display all the parrallel and serial ports that it has detected?

I have a printer on parrallel port COM 2 in windows. When I try to set up printer in Linux, it does not detected the parrallel port.
When I tried dev/stty01, it says that this is an invalid port. I want to set up a printer. I have tried kaddprinterwizard and http://localhost:631. Neither of them have work.

What is a command that I can use to display the ports that linux can detect?