[note: if you don't have the basic knowledge first read the basic terms section in bottom of this page.]
Bootable USB- What is a Bootable USB, in old days we all are using CD's and DVD's for booting our systems while installing the operating systems, and to troubleshooting them. But today's technology is not accepting the CD's and DVD's. the latest net books and tablet devices doesn't have a DVD drive. In this scenario we should use the alternative, that is the Bootable USB.
So, Today we are going to do a Bootable pendrive.
for what..?
what a question, A Bootable USB can be used to do a wide range of things. it will simply installs a operating system, it can remove administrator passwords, or for a live operating system testing, scan for viruses and many more.
OK., what we need
A pendrive with sufficient capacity.
A usb installer software.you don't need any special skills.