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Accessing and/or creating files > 2 GB in DOS? (Users)

posted by ecm Homepage E-mail, Düsseldorf, Germany, 08.07.2009, 12:43

> Anyways, are you surprised? Linux has long since disliked DOS
> compatibility, so it's not like this is a new thing, more of a symptom of
> the real problem.
I think it's rather that Linux doesn't care about DOS at all. Most Linux developers probably never heard of anything but MS-DOS.

> BTW, I still think StarLFN's method (basically use LONGNAME.DAT a la 4DOS'
> DESCRIPT.ION) is a better idea, but recently I tried compiling some stuff
> (latest GNU Emacs pretest) with StarLFN loaded, and it slowed down big
> time!

Did you load some kind of disk cache? It could improve StarLFN's performance. The LONGNAME.DAT file is accessed using usual DOS functions.

> So I dunno, maybe StarLFN isn't ready for primetime. :-/
DOSLFN contains one note about what modes are implemented and what needs to be done:

;   Another useful mode would be an LFNBK mode, simply using a file
;   for keeping long file names - this would instantly work on all drives.

This could be used instead of the fallback mode used for unknown redirector drives. StarLFN actually does just that (in non-VFAT mode) already. (However, integrating StarLFN into DOSLFN should include changing the database layout - as mentioned in the StarLFN documentation, there are some flaws with the DESCRIPT.ION type files.)

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l

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