DOSemu - Does it work?

[Andrew L. Gould]

On Friday 30 January 2004 01:08 am, Richard Ebling wrote:
> On Tue, 27 Jan 2004, Bruce Marshall wrote:
> >On Monday 26 January 2004 11:01 pm, Michael Hipp wrote:
> >> Bruce Marshall wrote:
> >> > On Monday 26 January 2004 06:00 pm, Michael Hipp wrote:
> >> >>I've never used it, but now have a client that needs to run an old DOS
> >> >>app and I'm gonna push to put it on a stripped-down Linux box.
> >> >>
> >> >>Any experiences with it? Anything to watch out for?
> >> >
> >> > Works like a charm.   I run some DBase4 stuff and a couple of other
> >> > DOS apps.
> >>
> >> Thanks. Have you ever done any of that over a network (to a smb share)?
> >> I can't get a reading from the docs how well it behaves with file/record
> >> locking.
> >
> >Have never used it over a network....
>
>   This may or may not be relevant, but about 2 years ago I tried using
> Linux/Samba to handle the database files for an application.  The
> application database was built upon good ol' Btrieve (basically still a
> DOS-based database engine).  The clients were Win9x machines, accessing
> the data files over a peer-to-peer network.
>
>   At any rate, when the Win9x clients accessed data hosted on (linux)
> partitions shared via Samba (2.0x), there were fatal issues with the
> file locking, as Samba implemented file-locking in a very different way
> than the Btrieve-MSDOS layer meant to handle it.  I don't recall seeing
> anything regarding changes to that particular aspect of things, in later
> Samba releases (but I haven't been watching very closely, either).
>
>  (and I know you were referring to MS-DOS, not Win95, but ya kin put
> lipstick on a pig... and it's still a pig).
>
>   - Richard

I could be wrong; but I think I remember hearing that DOS emulation didn't 
work for applications that used "protected mode".  That stuck in my mind 
because I didn't know what "protected mode" meant.

Andrew Gould