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How can I start Firefox maximized or fullscreen without any additional extensions?

If I open it, maximize and then close it, it still does not open maximised.

The OS is linux - Ubuntu 11.10 32 bit

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Please add your operating system – Tog Nov 30 '11 at 10:22
up vote 4 down vote accepted

You can use command line options, e.g. for a 1600x1200 resolution display use:

firefox -height 1200 -width 1600
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This resolved my issue! – bakytn Nov 30 '11 at 10:55

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