I want to enable or use Backspace to switch back to previous page that I visited previously in the Firefox browser on Ubuntu. For example, if I am using any browser on Windows, I can use Backspace instead of back button in browser to go to previously visited page.
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Which browser are you talking about? By the way, this is a browser issue, not an OS issue. – edwinksl Jul 03 '16 at 14:49
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@edwinksl, I am using Mozilla Firefox. – Shashanth Jul 03 '16 at 14:53
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3Wow, somebody actually requesting to revive this awful bug. https://xkcd.com/1172/ – R.. GitHub STOP HELPING ICE Jul 03 '16 at 19:33
2 Answers
43
Type about:config
in the address bar of Firefox and search for browser.backspace_action
. Change its value from 2
to 0
and now you can use Backspace to go back in history.

edwinksl
- 23,789
16
It's not an OS issue, but this way you will get it to work
Open your Mozilla Firefox browser, and in the address bar, type about:config
. Then search for browser:backspace_action
. Since the entries are in alphabetical order, it's essy to look for it. When you have found it, double click
on it and change its value to 0 from 2. That's it.
You will find these steps in detail in the following article (see link)

jiipeezz
- 1,256
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3I don't know if there have been changes in Firefox, but nowadays the setting is browser.backspace_action. Then, I had to change the value to 0, not 2. – apaderno May 30 '19 at 11:02
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I confirm that changing the setting from 2 to 0 was also the way for me (Ubuntu 20.04, Firefox 84.0) – Philipp Doerner Dec 26 '20 at 13:06