Because shockingly the vendors still ship driver updates in dos compatible form and not linux in my experience. Last time I did BOIS/RAID driver updates, I was

Because shockingly the vendors still ship driver updates in dos compatible form and not linux in my experience. Last time I did BOIS/RAID driver updates, I was glad I could boot to DOS using a USB stick and not have to revert to a USB-to-floppy converter + floppy.