How to clone the boot U disk

borrowed a mass-produced U disk from a friend, after using it is very like. How to make a U disk boot disk exactly the same as it? Now the official website will talk about the steps in this regard. First prepare the Utraiso software, but also have the production tools corresponding to your U disk. 1. Insert the mass-produced USB flash drive into the computer, then open ultraiso, open the Tools menu on the menu bar, and select the first to create a CD image file. Second, follow the prompts, select the U disk, step by step can easily make the U disk into ISO. Third, the final is to use the corresponding tools to mass produce into their own U disk. how about it? Simple, you can also try it.