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Info-ZIP

About Info-ZIP

Info-ZIP is a set of open source tools for creating, modifying and encrypting ZIP archives.

The zip and unzip programs from the Info-ZIP project are included with most Linux distributions, but current builds for Windows are quite hard to find. Therefore, I decided to compile all the console applications from this project and make them available on my website.

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Both ZIP files include the following applications:

Zip 3.0 – A compressor/archiver for creating and modifying ZIP files
ZipCloak 3.0 – For encrypting and decrypting
ZipNote 3.0 – For adding/deleting comments to ZIP files
ZipSplit 3.0 – For splitting ZIP files
UnZip 6.0 – For extracting and viewing files in ZIP archives
fUnZip 3.95 – For extracting in a pipe
UnZipSFX 6.0 – For creating self-extracting archives

Basic usage

Compression using the default compression algorithm (deflate) and default compression level (6):
zip.exe archive.zip file1 file2 file3

Compression using the default compression algorithm (deflate) and the best compression level (9):
zip.exe -9 archive.zip file1 file2 file3

Creating encrypted archive:
zip.exe -e -P "password" archive.zip file1 file2 file3

Compression using the bzip2 compression algorithm:
zip.exe -Z bzip2 archive.zip file1 file2 file3

Decompression:
unzip.exe archive.zip

Decompression to the specified directory:
unzip.exe archive.zip -d C:\some_dir

Decompression of the encrypted archive:
unzip -P "password" archive.zip

Displaying information about files in the specified archive:
unzip -Z archive.zip

Compilation info

IDE: Visual Studio 2013
Platform toolset: Visual Studio 2013 – Windows XP (v120_xp)
bzip2 support (bzip2-1.0.8 from https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz)
Static linking. No additional DLLs needed.
jp, 2020.08.09

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