what I cannot find out: how to issue a middle mouse click using a MacBook trackpad. Thankfully, Apple has accepted that we need a right mouse button. But in some programs, notably the Bash shell windows in Linux, I need a middle mouse button too. For instance, to paste selected text. How can I do a middle click? PS Yes I know I could use an external USB three-button-mouse, but I don't want to. I am a strict trackpad user...