Am wondering, you know those MS-DOS or Windows 98 boot disk/cd, can they be copied/installed into C:\ and make C:\ bootable?

I'm sure it probably can be done - but is there any reason why you want to do this?

Are you trying to install Win 98?

Thanks guys for your replies. Yes I totally forgotten about "sys c:" back from the oldskool DOS days. I believe sys command places io.sys & msdos.sys files in the first sector of the partition so that they get bootstrap loaded on hard disk startup ... hence bootable.
I think I now know how to create my own bootable CD from scratch... building the 1.44MB boot image and using a good cd builder app to load the boot image (MagicISO, Nero, etc.)

Windows floppy images are known to be fussy about working over CD. It's possible, sure, but even for experienced users it is an utter pain in the neck.