Make uninitialized disk using diskpart

Warning this command will erase all of data on the disk!!!

1. run cmd
2. type : diskpart
3. type : list disk
4. select the disk you want to clean / uninitialize, in this example : select disk 1
5. clean
6. done

This steps are useful if we want to change the disk partition type (GPT or MBR or other)

Get user input from DOS prompt

Very basic example to get user input from DOS prompt

@ECHO OFF
SET /P yourname=Name :
echo hello, %yourname%
pause

source : http://www.codeproject.com/Tips/123810/Get-user-input-from-DOS-prompt