I am using both Windows and Linux C::B. On Windows I have assigned ctrl/* (the * on the keypad) to Settings/Editor/Keyboard shortcuts/View/Jump/Jump Back. That works fine on Windows.
But on Linux it won't let me assign ctrl/*. When I press ctrl/* it does nothing. (note that I'm using Virtual Box because I don't have a Linux box ... so if it works for others that may be the problem).
Can someone try that out for me?