I'm not gaming at all, I am trying to initiate a command to 2 PC's at the same time.. One is windows and one is Linux. The problem is the command I need to send to the PC's are not the same keystroke. WHat I am trying to acomplish is one keystroke, 1 command to each PC.

It is onboard a fishing vessel. We have 2 PC which record GPS data, I would like for them to record at the same time.
But the keystroke on both PC's are differant