Fix Backspace to go Back one Page in Firefox 2 and Above
I’m a big fan of using the keyboard for tasks instead of always relying on the mouse. In Ubuntu, Firefox wasn’t honouring the use of backspace to take me back a page. I found a fix here that surprisingly still works.
In short, open a new tab and type
Search for backspace. Double click on “browser.backspace_action” and change the value to 0.