floppy: out bootloader mkfs.fat -C -f 1 -F 12 -n "PORTLAND OS" -R 2 -S 512 out/floppy.img 1440 dd if=obj/bootloader.bin of=out/floppy.img bs=1 seek=62 conv=notrunc bootloader: obj nasm src/bootloader.bin -o obj/bootloader.bin obj: mkdir -p obj out: mkdir -p out