WinUSB is nifty utility that lets you create bootable Windows OS Usb drive on a Linux desktop
If you use Ubuntu Desktop and want to create a Windows bootable pendrive than this tool called WinUSB enables you to create your own Windows installer from an ISO image or a DVD. This package contains two programs: WinUSB-gui: a graphical interface which is very easy to use and WinUSB, the command line tool. To install WinUSB on Ubuntu 14.04, you need to install the Saucy version and run the dependencies fix switch Currently there is no version for Ubuntu 14.04 in the Ubuntu repository.
Installing WinUSB
Step 1: Open the terminal in Ubuntu and download the WinUSB package that is compatible with your operating system’s architecture:
For Ubuntu 32-bit:
wget https://launchpad.net/~colingille/+archive/freshlight/+files/winusb_1.0.11+saucy1_i386.deb
For Ubuntu 64-bit:
wget https://launchpad.net/~colingille/+archive/freshlight/+files/winusb_1.0.11+saucy1_amd64.deb
Step 2: After downloading Install WinUSB by running following command:
sudo dpkg -i winusb_1.0.11+saucy1*
To fix dependencies errors run this command:
sudo apt-get -f install
Step 3: Search WinUSB and execute it.
Step 4: Now open WinUSB and select the ISO image by clicking on the folder icon. In target device it shows the attached USB disk on your computer, Select the target device by clicking on it and then click Install button.