File archivers are programs capable of adding files and folders into an archive file, such as 7-Zip, TAR, WinAce, and WinRAR.

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extracting vs testing an archive?

is there any difference between extracting an archive vs testing it? I'm writing a batch script and if archive testing assumes extraction in the background then I'm planning to extract only and ...
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344 views

Merging many .rar files in one .rar file

I have about 200GB of rar part files (all .rar) that I would like to merge into 1 single .rar file. I'm trying to perform this in Windows. How would one go about merging many a rar file without ...
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Compressed file with a header containing all files within it, at the beginning of the file

I have noticed that most files resulting from a compression / archive process do not have a list of the files contained at the beginning of the resulting file, but rather at the end of it. For ...
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Does anyone know an effective method to ultra-compress files?

Does anyone know an effective method to ultra-compress files? You might have seen some PC games compressed to incredibly small sizes here and there (like GTA San Andreas which was compressed to 1mb ...
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How to create a self-extracting archive that works on DOS?

I need to create a self-extracting archive for DOS. It's on a legacy project that currently uses lha (by Haruyasu Yoshizaki) to create the self-extractor. This does work, however when it runs it asks ...
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How to umount file.tar.bz (that was mounted with archivemount) without needing sudo

As a regular user I mount my archive files with this: #!/bin/sh ARCHIVEF=$(zenity --file-selection --filename=/shared/); archivemount $ARCHIVEF /media/archivemount/ Unfortunately, sudo is required ...
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Whatever happened to compressed read/write filesystems?

Back in the 90s, my home computer was an Acorn Archimedes. It had on it a piece of software called ArcFS, which allowed you to create compressed archives, a bit like zip files. Unlike zip files, they ...
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Different compression methods in 7zip: Which is best suited for what task?

So there are different compression methods in 7zip. Which method is best suited for what task? For example: One difference between LZMA and LZMA2 is I can choose all my cpu cores, whereas in LZMA 2 ...