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Friday, August 19, 2011

Some more firefox about: commands

So, after my last post on this topic, some friends pointed out a couple of more useful commands. I thought I should share it here.

This command shows the permissions given by you to different websites, like allowing to store passwords, share your location, allow cookies, open pop-up windows, and maintain offline storage. This was added recently in Firefox 6, so it might not work for you if you are using an older version. Here's a screenshot:
Firefox about:permssions
This is the meta about page - the about page of about pages. It lists all the about page available to you (except, of course, the Easter eggs). Another screenshot:
Firefox about:about
Mozilla has added this new command in the latest nightly build of Firefox 13. This page shows a list of all running JS compartments. Compartments are little segments of memory which is used by JavaScripts in Mozilla Firefox. Check this link to know more.

Firefox about:compartments

Thanks for Sagar and Agni for their inputs. And, as always, if you come across any more interesting stuff about Firefox, please let me know.

Also check :


  1. yet there's one quite exciting one-

    Opens gives you sort of subtabs, but that doesn't work that way!

    1. Excellent one Nick :)
      Here's another :


      Cause the Firefox window to do a crazy dance in the bottom left corner of the screen. In case the Firefox window closes, start Firefox, click on one of its edges and resize the window.

  2. Just a heads up, don't do that stupid "chrome://global/content/alerts/alert.xul" command that Agni posted. It'll screw up Firefox.


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