OS BUILDING

GOALS:
Fit on a floppy disk
x86 Architecture
Basic File operations (Delete, Move, Create Dir, list, run)
Simple programs running on the CPU itself

How would I go about doing this. What language should I use?

>>49
Minix and links-hacked. Both of which I have customized since they're small enough for one person to read and follow.
Translation: Windows Vista with all eye candy enabled.