Make bootable USB Drive from Ubuntu

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http://askubuntu.com – I need Windows for a few things, and while I love Ubuntu. I think I'll have to install Windows agian for a short period of time. I got the .iso file on my desktop, and need to make it bootable from a flash drive. It's pretty easy from Windows, but I can't seem to figure out how to do it from Ubuntu. I've searched on Google and here as well, but all I can find is how to make it from OS X, Windows.. Or how to make a bootable flash drive with Ubuntu from Ubuntu. Thanks! (HowTos)