Do you know if it would be possible to put many different #DOS versions (#msdos 4.x-8.x, #FreeDOS 1.4, #SvarDOS ) on a single FAT16 partition, each one in its own subdir (MSDOS5, MSDOS6, FDOS14, etc.) and have a boot loader that’s loading each variant of MSDOS.SYS + IO.SYS (or others) for every DOS version?