Middle mouse emulation
From WikiDotMako
If you use a keyboard like a Unicomp Endura you might find yourself without a middle mouse button. Fortunately, you can press the left and right buttons together to emulate the behavior of pressing a middle mouse button, but only if you create or edit your xorg.conf
in /ect/X11
and add the following entry:
Section "InputClass" Identifier "middle button emulation class" MatchIsPointer "on" Option "Emulate3Buttons" "on" Option "MiddleEmulation" "on" EndSection