Once you have installed the PiFace CAD software you can display our system info example using the buttons and LCD screen on your PiFace CAD
First move into the PiFace CAD examples directory
Now run sysinfo using the following command
Something like the following should appear on your PiFace CAD screen
The top line is displaying your local I.P. adrress. The left side of the bottom line is displaying the RaspberryPi's processor's temperature, and the right side displays the current memory usage. press
Ctrl C to exit the program.