Create a bootable disk in Ubuntu (14.04)

There will be situations that you wanted to create bootable usb in Ubuntu. So here we going to discuss how to create bootable disk using Ubuntu. Here we are going to discuss how to create Ubuntu bootable usb and windows bootable usb.

Creating Ubuntu Bootable Disk

creating Ubuntu bootable usb in Ubuntu is pretty easy. Click on your Dash(start menu in unity environment calls as Dash) button (or press windows key) then type "Startup Disk creator" (you may don't need to type this entirely :) ). 

Then select the "Startup disk creator"
If you don't have Startup disk creator, run below command to install it. 

sudo apt-get install usb-creator-gtk

Then you will get below window.

To select your ISO (windows iso won't be working yet) by clicking other button under "Source disc image" and browse and select your ISO. If you have connected Your usb like mine it will be prompt under "Disk to use" like above. If there is multiple usb connected to you computer you have to select a one from them. As you can see you can Erase a selected usb using "Erase Disk" button. After you Fulfill requirements you can click "Make Startup Disk" button to start the process.

            Creating Windows Bootable Disk

To create windows bootable usb in Ubuntu you will need extra software called winusb. 

Press Ctrl + Alt + T to get the terminal and type below commands to install winusb.

sudo add-apt-repository ppa:colingille/freshlight
sudo sh -c "sed -i 's/utopic/saucy/g' /etc/apt/sources.list.d/colingille-freshlight-utopic.list"
sudo apt-get update
sudo apt-get install winusb

then press Dash (or window key) and type "winusb". Then click on winusb.

After that you will you will get below window. 

If you are using Windows ISO to create the bootable usb select folder button under "From a disk image(iso)" and browse your windows iso. Then select Target device from below. If you don't know what is meant by "/dev/sdb" it is how Linux name it's disk drives. If you have doubt that you haven't choose right one. you can check it as follow. Press Dash button and type "disks" then select disks.
You will get below window.

See the highlighted area then you will see device name in linux.

After choosing correct device, press install WinUsb dialog box. Then winusb will format the usb and create  bootable usb drive.