Changes

'''Note:''' Although instructions are provided to burn OS for VMs on CD/DVD, there are other methods of installing OS on VMs: '''USB stick''', '''network install''', or by '''downloaded image file'''. You can determine the best method to use. Here is a link to installing a VM from saved image file: [http://geekyprojects.com/tutorials/how-to-run-an-iso-image-file-in-virtualbox/ How to Run ISO Image File in VirtualBox]