Mail Archives: opendos/1998/11/17/16:07:51
I have been disappointed with the context switching speed.
Is there any development still under way? Will
multitasking someday be good enough to run a com
program at the same time as a batch program?
-Flash->
> ----------
> From: Matthias Paul[SMTP:PAUL-MA AT reze-1 DOT rz DOT rwth-aachen DOT de]
> Sent: Tuesday, November 17, 1998 7:59 AM
> To: opendos AT delorie DOT com
> Subject: Re: More Questions/bugs
>
> On 1998-11-10 Mark Aitchison wrote:
>
> >2. Is it possible to change longname behaviour (other than shutting
> >it off completely) so that...
> >
> > dir | find "abc" > my.list
> > edit my.list
> >
> > does the expected thing (in other words the shortname for
> > "my.list" should be "my.lis" optionally, especially in batch
> > files.
>
> Currently not, but I like this suggestion for various reasons.
>
> For compatibility with Windows 95 long filenames, the generated short
> filename for a long file name will be truncated using tildes +
> numbers, so the SFN will usually be MY.L~1, MY.L~2, etc., but not
> MY.LIS. Since this is actually stored in the file system, there is no
> reasonable way to achieve a "truncated long file name" like MY.LIS
> afterwards.
>
> However, as long as there are not multiple files with matching SFNs
> IMO also it would be more convenient, if LONGNAME would optionally
> (!) generate an SFN by just truncating the LFN, so that the SFN for a
> LFN like MY.LIST would actually be MY.LIS, as Mark suggests. Of
> course, once there are matching SFNs, LONGNAME should again default
> to use the tilde + number method. (BTW. Windows 95 has a registery
> setting to force this behaviour.)
>
> Additionally I'd like to suggest to implement another LONGNAME option
> to reduce junk in the directory entries to a minimum: Optionally
> LONGNAME should generate LFNs only for filenames not fitting in the
> 8.3 naming scheme, else it should only generate the SFN directory
> entry, and no LFN storing the case.
>
> Regarding the question, where to report LFN bugs: Just use the
> usual Caldera email address as stated in the README.TXT file
> shipping with the driver and/or DR-DOS.
>
> >3. Why are some system files locked so virus scanners cannot check
> > IBMBIO.COM, etc on *any* drive? (Try running F-PROT).
>
> As far as I see it, using F-PROT (on a DR-DOS 7.03 BETA system with or
> without SHARE loaded) this applies to all files which have the Hidden
> and/or System attribute set, not only to the DR-DOS kernel files. I'm
> not sure why this happens, but it is probably due to the method F-
> PROT uses to open files. However, it does not occur on the MS-DOS 7
> command prompt.
>
> Has anyone checked this under MS-DOS 6.22 with and without SHARE
> loaded?
>
> >4. Is TASKMGR able to use a swap file as well as RAM if it isn't in
> > switcher mode?
>
> No, only the task switcher can swap to disk. The multitasker currently
> does not provide virtual memory, however it surely would be very
> useful to add this.
>
> Matthias
>
>
> -------------------------------------------------------------------
> Matthias Paul, Ubierstrasse 28, D-50321 Bruehl, Germany
> eMail: <Matthias DOT Paul AT post DOT rwth-aachen DOT de>
> Web : http://www.rhrz.uni-bonn.de/~uzs180/mpdokeng.html
> -------------------------------------------------------------------
> Caldera Digital Research Systems/OpenLinux: http://www.caldera.com/
>
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