How to create a Bootable USB Stick for Ubuntu.
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Requirements.
1 USB Stick with atleast 2GB Free Space.
Steps.
1. Insert your USB Stick.
2. Download Universal USB Installer from here.
3. Select your Linux Version from the Dropdown list.
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4. Now from the second step, Browse for your Ubuntu .iso file.
5. From the third step, Select your USB. (mine J:\Spike 14GB)
6. You're almost done, now click on Create button.
7. A dialog Box Appears, Click Yes.
8. Now you're USB will be processed to be a Bootable USB Stick.
You Can format your USB to make it the way it was.