Hallo Bart,
if the partition table "loops" (recursive problem), MSDOS just hangs but FreeDOS checks for it and happily uses the partitions that are fine.
Of course, there are bugs in MS-DOS that are not present in FreeDOS. But I think that the main problem of the FreeDOS kernel are not bugs, but incompatibilities, e.g. with DOSLFN 0.33. Some of them will never be solved, e.g. the code patterns which Windows 3.1 looks for that Eric mentions will NEVER be there, nor should they be there, of course.
Not to mention the fact that the FreeDOS kernel's disk and memory footprints (40K vs. 50K in HMA) are smaller than those of MSDOS 7.10.
The HMA footprint doesn't count much if a disk cache is used, because the number of buffers that HMA is filled in doesn't matter then. Microsoft even recommends that an explicitly low number of buffers is used in this case (e.g. 8).
The disk footprint counts much more, but not always. For example, if someone wants to embed the kernel into the BIOS (which turned out much more difficult than I thought, as modern BIOSes won't allow ISA option ROMs!) it counts a lot. It counts for boot diskettes too, but not for hard disks.
Regards, Lucho
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