I've got a 4 Gigabyte flash drive that I'd like to make bootable. For right now, I need it to boot DOS or DS linux. I'd like to have it boot to grub or something similar so I can select either one.

Like the old-fangled BIOS (which is slowly being phased out with the help of EFI), the DOS operating system is a piece of computing history that refuses to be only history. While most folks will never ...

Your USB drive can be your emergency toolkit at home and away, and if the host machine supports booting from a USB drive, you can boot to a USB key that you've ...

Since MS-DOS doesn't support USB devices, I'd suspect that the BIOS would have to support the device natively as a bootable drive before you could achieve anything like this-- and even then it would ...