Windows – How to monitor a virtual serial port in Windows 7

I know this question is old and that goldenmean has probably either worked it out or moved on, but someone else may stumble upon this question looking for an answer.

Wine doesn't automatically assign Linux serial ports to COM ports for Windows programs, but it can be done with a simple symbolic link. For Wine, in a command terminal you do the following:

$ ln -s /dev/ttyS0 ~/.wine/dosdevices/com1
$ ln -s /dev/ttyS1 ~/.wine/dosdevices/com2

Repeat as necessary to get all the ttySx serial ports you need assigned to COMx ports.

The commercial version of Wine called Crossover Linux may provide GUI tools for this or do it automatically, but I've never used it.

I just tried Advanced Serial Port Monitor. "Spy" mode does just what you want.

It's only free to try. However, you have to pay for a permanent solution.