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On Ubuntu Studio 14.10, the CTRL+F4 seems to work as a shortcut for opening the 4th desktop (tested using a live DVD, without any customizations). However, I only need two desktops, so I reduced the number of desktops available and now CTRL+F4 is not doing anything.

In other distros, this shortcut is used to close the current tab in Firefox, and I would like to achieve that behavior on Ubuntu Studio too.

How can I do that?

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  • try <Ctrl>+<w> for closing the current tab in Firefox.
    – sourav c.
    Jan 13, 2015 at 11:20
  • Are you sure you didn't assign it(Ctrl+F4) to another behavior in keyboard shortcuts? Jan 13, 2015 at 11:37
  • @souravc: thanks for pointing that out, but I would prefer to use the same shortcut I use in other distros.
    – Helder
    Jan 13, 2015 at 17:13
  • @KasiyA: I'm sure I didn't do that. However, I just tried it again using a live DVD, and updated the question with what I found.
    – Helder
    Jan 13, 2015 at 17:14

2 Answers 2

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Install Customizable shortcuts for Firefox. (Its an extension) https://addons.mozilla.org/en-US/firefox/addon/customizable-shortcuts/ enter image description here In preferences change the Tab closing shortcut. enter image description here enter image description here This might Do.

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  • Unfortunately, after installing the addon, and going to Firefox Preferences > Shortcuts > Close Tab, I'm not able to set it to CTRL+F4, because when I press these keys, I get moved to the 4th desktop.
    – Helder
    Jan 13, 2015 at 17:21
  • You have enabled desktop workspaces. Right?
    – Wolverine
    Jan 13, 2015 at 19:10
  • It is enabled by default (and I would activate them if they were not, although with less than 4 workspaces).
    – Helder
    Jan 13, 2015 at 20:55
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Have you ever tried Ctrl+F4 in Firefox? Check out that first. There the shortcut have already been assigned for the same purpose which you have asked for. The shortcut key works in my firefox by default. For your information, the shortcut key works in Chrome too and you could use Ctrl+W to close the current tab in either browser.

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  • Yes, I tried it (because it is what I use on other distros) but as I said "the shortcut CTRL+F4 is not doing anything".
    – Helder
    Jan 13, 2015 at 16:52
  • Check out if it is reserved for any system purpose.
    – Wolverine
    Jan 13, 2015 at 16:58
  • it seems so. I updated the question after trying again using a live DVD.
    – Helder
    Jan 13, 2015 at 17:15

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