To create bootable linux flash drives/USB drive/pen drives download and install LinuxLive(LiLi) USB Creator.
LinuxLive USB Creator is a free software for windows and it creates portable, bootable and virtualized USB (flash) stick running Linux.
Program: LinuxLive(LiLi) USB Creator
Linux distro:Ubuntu 11.10
Difficulty: Beginner
Estimated Completion Time: 4 Minute
just want to take a usb hard drive and make it bootable how