Transfering large files from modern to 486 with a 1.44 mb disk \ VOGONS

Transfering large files from modern to 486 with a 1.44 mb disk

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First post, by Mu0n

Posted on 2020-06-25, 13:19

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Goal: transport files, archives that won't fit in a 1.44 mb diskette from a modern Win10 machine to my 486.

Why: an IDE-CF converter is on its way in the next weeks, so this is just a stopgap measure. No, I don't have a CD Drive on the 486, no I don't have a network card either.

I used to do this back in the day with a 386. There was some utility that could archive directories, including recursively and make them into chunks that fit 1.44 disks. You needed the utility on the target machine to reconstruct it/extract it. The problem here is that I don't remember the name of such a utility (I'm not sure PKZIP can do it, but I'm not certain either) and running it on the modern machine might require running it in an emulated environment.

My questions are:

1) What is the name of the program you use to do this
2) am I forced to use it in dosbox/alternatives

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Reply 1 of 8, by cyclone3d

Posted on 2020-06-25, 13:57

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You should be able to use 7-zip on your newer computer and then pkunzip or similar on your older computer.

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Reply 2 of 8, by Oetker

Posted on 2020-06-25, 14:11

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You could also investigate some sort of serial connection if you've got the hardware for that. It'll be slow but way less cumbersome once it works. It should be possible to use serial file transfer software from DosBox on your new machine.

Reply 3 of 8, by konc

Posted on 2020-06-25, 15:24

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HJSplit is a popular utility
I use rar in these cases, the windows/modern side can create backwards compatible multi-part files and on the retro side even the dos version has a nice gui to easily decompress them without searching for the correct parameters.

Reply 4 of 8, by Mu0n

Posted on 2020-06-25, 16:34

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konc wrote on 2020-06-25, 15:24:

HJSplit is a popular utility
I use rar in these cases, the windows/modern side can create backwards compatible multi-part files and on the retro side even the dos version has a nice gui to easily decompress them without searching for the correct parameters.

Do you have a link to the dos version of hjsplit? All I'm seeing are Indonesian windows apps.

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Reply 5 of 8, by keenmaster486

Posted on 2020-06-25, 17:11

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There is a DOS version of 7-zip. It works the same as the command line version on any other OS.

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Reply 6 of 8, by konc

Posted on 2020-06-25, 18:04

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Mu0n wrote on 2020-06-25, 16:34:

Do you have a link to the dos version of hjsplit? All I'm seeing are Indonesian windows apps.

Sure, here it is:

Filename: hjspldos.zip
File size: 9.63 KiB
Downloads: 67 downloads
File license: Public domain

Also you are right, it's getting more and more difficult to find these things

Reply 7 of 8, by debs3759

Posted on 2020-06-26, 20:00

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I would have thought using something like winrar to create the archive files, then unzip or unrar on the DOS side. Industry standard means you can't go wrong.

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Reply 8 of 8, by Mu0n

Posted on 2020-06-26, 20:17

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Hjsplit worked great, thanks!

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DOS Fever Dreams: https://www.youtube.com/channel/UCIUn0Dp6PM8DBTF-5g0nvcw

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