On Wed, 2011-09-14 at 01:00 +0000, Zbigniew wrote:
> 2011/9/14, Michael C. Robinson <plu...@robinson-west.com>:
> 
> > [..] I'd say that Freedos has it's
> > uses, but without active development on a variant that can take
> > advantage of multiple cores and modern hardware, there are probably a
> > dwindling number of uses for it.  Without hardware protection and memory
> > protection, Freedos is certainly fast but probably not acceptable to
> > everyone.
> 
> I'd say, that FreeDOS with hardware protection and memory protection
> no longer would be DOS-clone, and that everyone, who needs "advantages
> of multiple cores and modern hardware" - and "hardware protection and
> memory protection" as well - has a rich choice of other OS-es freely
> available, with the requested features already included.

32/64 bit dos environments have never been defined.  So in essence, a
multicore DOS clone that supports modern hardware is possible without
cloning anything.  Albeit, if you call it DOS, the old DOS applications
need to work in it.  Originally, DOS provided routines for working with
the video card, hard disk, etcetera, but these routines were short
sighted and a series of patches from different parties got applied.
MS-DOS got messy towards the end.  One interesting option on say a quad
core system is to have the 32 bit OS partition the memory, the monitor,
the hard disk, and the cpu cores so you can have multiple concurrent 16
bit Freedos instances.  Since you are running the equivalent of DOSBOX
concurrently, modern hardware can emulate older hardware.  Now you have
a clean means of supporting modern hardware for people using old DOS
applications.  Want your multi function printer to appear as a standard
printer, fax machine, and scanner?  No problem.  Microsoft never defined
a 32/64 bit version of DOS, so there is a great deal of latitude
available.

One point I will question you on is this, where is the free equivalent
of Windows for WorkGroups?  There isn't one.  A lot of software depends
on the Win32 interface prior to Windows NT taking over.  If someone
could buy Windows for Workgroups from Microsoft and release the source
code to it, that would be very helpful.


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