Add bootable DOS support to your USB stick

Building on the previous post where we added SystemRescueCD capabilities to our USB stick (please see that post for details and conventions that pertain to this one as well) while still being able to use it for transferring files between various OS, we will now add bootable DOS support so that we can use it for BIOS updates as well as other DOS based tools such as Intel's SSD firmware updater.

Add SystemRescueCD capability to your USB stick

For Linux users: Creating a bootable SystemRescueCD USB stick. The SystemRescueCD is an invaluable resource and should be in every techs toolkit. Kudos and much thanks to the developers!