Why? The default shortcut for navigating opened tab in Firefox isn’t friendly enough for me, as Thinkpad user, since its Page Up and Page Down on the keyboard is “far” enough for my finger to reach. As a ‘loyal’ KDE user, I feel comfort already with Konsole’s default shortcut for navigating Tab, that’s by using Shift+Left Arrow/Right Arrow. What’s next? Googling around, I found keyconfig, a Firefox extension to change keyboard shortcut (What the.