How to make a USB flash drive? The system launches the USB disk to make the method

After writing can also be used as a U disk storage other data, not affected. The advantages of making a USB U disk are many, such as without CD and CD-ROM, you can install the system, and support all major system platforms such as Windowslinux. Easy to operate and easy to use.

Here's the platform I tested:
xp/windows7/windows8/win2003/win2008
Linux Ubuntu/linux CentOS

Operating Environment
Windows 7 + UltraISO + w7.iso (System mirroring) + 8GU disk

Preface
The choice of u disk must be very important, for write too slow and bad USB stick, we recommend to choose the brand of U disk, such as Kingston, Yi Jie and so on. Because the write too slow will affect the future use, and U disk can not be less than 2G, if the system is too large, the use of large space USB disk.

First, preparatory work
1, download the system image to be written.
2, the U disk data transfer away, format the U disk, you must FAT32 file format.
3, install good UltraISO click to download

Second, start the operation
1, open UltraISO Select the mirrored directory, and double-click the system mirror you want to write.

2, select ultraiso--Boot--write to the hard disk image

3, click "Write", start writing. Prompt "Warning!" All data for the drive will be lost! Are you sure you're going to keep doing this? "Direct" is ". (Default write mode: usb-hdd+. Suggestions can be replaced for system unrecognized. ）

4, click "Yes" began to write. Wait 15 minutes or so to get it done. The speed of writing depends mainly on the speed of the hard disk and USB drive.

5, when prompted to "burn success", it means that you have succeeded.

Tips:
1, during the writing recommended not to operate the computer, let it carefree write.
2, if the writing process occurs computer power, reformat u disk, come back.
3, write the file do not delete system files.
4, use, remember to enter the BIOS set U disk priority start.
5, successfully written, U disk can still be used, you can put your data in.