> Other than that I don't really consider dosemu (or DOSBox) anything
> other than a "Virtual Machine" with some DOS-specific knacks.

Or rather, "a 'virtual machine' that only supports DOS".

- Darrin


On Mon, Mar 14, 2022 at 4:13 PM C. Masloch <pus...@ulukai.org> wrote:

> On at 2022-03-14 18:47 +0100, Liam Proven wrote:
> >> I don't agree that this feature "makes DOS apps part of the apps on
> >> the computer"
> >
> > DOS apps (not games but productivity applications) are by nature text
> > mode apps, with only a few modern exceptions which probably won't work
> > well on DOSemu anyway.
> >
> > All xNix text-mode apps are designed and intended to exchange
> > information by means of plain text: either text files, or pipes.
> >
> > DOS apps under DOSemu *windows* work on whatever is in the Linux
> > filesystem, and that generally includes the ability to import or
> > export plain-text files. And if you run them without graphics support,
> > you can pipe their output to other shell commands.
> >
> > For me, that means that DOS apps can be used alongside with, and
> > interact with, Linux apps.  That is what I was getting at when I said
> > that they work alongside Linux apps, as just another type of binary
> > you can run -- in a way that is _not_ true of DOS inside a VM.
>
> Some things to note:
>
> 1. Yes, you can use your Linux terminal (dosemu mode -t or mode -dumb)
> to do your DOS application's I/O. This is fairly unique, although qemu's
> -curses mode is similar to dosemu's -t.
>
> 2. dosemu runs an actual DOS system, traditionally FreeDOS. On the
> contrary, DOSBox is mostly used without a proper DOS, running its own
> operating system shims. (dosemu2 is blurring the distinction a bit with
> fdpp, which is a FreeDOS kernel port that runs in 32-bit or 64-bit host
> code and replaces the proper DOS kernel you can use otherwise. fdpp
> *only* runs in dosemu2 so far.)
>
> 3. The major feature of dosemu is certainly its filesystem redirector,
> based on the MachFS DOS redirector, which allows you to access host
> directories as DOS drives, and supports (to some extent) simultaneous
> accesses from Linux and DOS. (DOSBox has this too, but IIRC only for its
> built-in OS, not for when you boot an actual DOS instead.)
>
> Other than that I don't really consider dosemu (or DOSBox) anything
> other than a "Virtual Machine" with some DOS-specific knacks.
>
> Regards,
> ecm
>
>
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