On Wed, 14 Jul 2021 at 15:28, Mercury Thirteen via Freedos-user
<[email protected]> wrote:
>
> The short answer is no.

Well, yes, agreed.

> The long(er) answer is that VirtualBox makes available a specific programming 
> interface for the Shared Folders feature which provides both a 64-bit and 
> 32-bit entry point for the guest OS - something of which the 16-bit FreeDOS 
> (or any other flavor of DOS, for that matter) cannot natively take advantage.

This is only half true.

I mean, yes, it's true, it does, but it's irrelevant to DOS.

This only applies to guest OSes where you're running Guest Additions.
There are no VBox guest additions for DOS and never were. So, it is
irrelevant.

*But* Vbox provides emulated network cards to the guest. The following
are available:
• AMD PCNet PCI II (Am79C970A)
• AMD PCNet FAST III (Am79C973), the default setting
• Intel PRO/1000 MT Desktop (82540EM)
• Intel PRO/1000 T Server (82543GC)
• Intel PRO/1000 MT Server (82545EM)

Citation: https://www.virtualbox.org/manual/ch06.html

As the file-sharing functionality just uses Samba, any guest OS that
can talk SMB networking can connect to the host and share drives.

Citation: VBox documents how --
https://www.virtualbox.org/wiki/Sharing_files_with_DOS

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