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Like the title says, I'm looking for a way (whether by command-line argument, option, or plugin) which will allow me to force firefox to open all tabs in the same tab, but only for that specific window.

For example, I have Firefox open with GMail. When I open a new window (however it happens), I go to When I then open a new tab and go to, I want wikipedia to open in the google tab. There is way to do this in about:config, but it seems to be browser-wide in all windows.

Ideally I'd like a command-line argument which will open a new window and have only that window open all tabs in the same tab. I'm not sure if this is even possible, but any help would be appreciated.

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If I understood right, you want to disable tabs. One window, one thing in it ... and that's it ? Correct ? – Rook Jan 7 '10 at 18:59
up vote 2 down vote accepted

Have a look at the following Firefox addon: Tab Mix Plus

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