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cdrtools_from_Schily | NTLFN problem of 7-ZIP | 7-ZIP vs ZIP (Announce)

posted by Rugxulo Homepage, Usono, 24.07.2010, 19:56

> The p7zip can`t work on DOS due to lack of memory,

p7zip in general or just this version?

> You can try
> http://perotti.ic.cz/p7zip/7za.exe
>
> where is version 9.13 for DOSes

Strange, it IS a DJGPP compile. I got errors when trying to make it myself. Somebody must've tweaked it on their end as the pre-made makefiles don't work.

> > > It was compressed by 7zr 7-zip (A) 4.58 BETA on Deb
> Yes, because of stable Debian Lenny!
>
> > Better use 4.65 :-)

Obviously he means 4.65 is the "stable" version, i.e. more reliable and bugfixed than 4.58 (see changelog).

> Maybe, try version 9.13 from Roberto url and You will
> get in compress large files "Cannot alocate memory!!"

2.04 stub, so it has the 4 GB fixes. If it can't allocate memory, either you don't have enough, your memory manager is eating (or hiding) it, or you should use CWSDPMI (esp. latest r7) with swapping enabled.

> I think that it is impossible to use 7-zip in pure DOS.

At first I thought you meant HX + Win32's 7ZA, but apparently not. Sure, that way is great but lacks swapping (but much easier to upgrade). Default is -mx=5, which is normal compression. Anything higher uses more memory. You might have to use -ms=8m -m0d=8m to force it to only use 8 MB dictionary (or whatever).

 

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