16.02 & 4.65
Release date: 
Thursday, 1 June, 2017



Authors/Port authors:

This is an archiving utility with better compression ratios than many other archivers.

This software is distributed as compressed package. You have to download and manually install it; if prerequisites are required, you will have to manually install them too.

Manual installation

Program is distributed as ZIP package: download to temporary directory and unpack to destination folder, include in PATH. See below for download link(s).

You can install the prerequisites with rpm running the following string in a command line:

yum install libc libcx libgcc1 libssp libstdc++6 libstdc++ libsupc++6 libsupc++ libgcc-fwd

Online documentation:

Following ones are the download links for manual installation:

v. 16.02 - 01/06/2017 (Ruediger Ihle)
Record updated last time on: Sun, 11/02/2018 - 22:16


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Thanks for porting 7z-archiver to OS/2. Regarding command-line versions in release of p7zip-16.02-os2-1.zip: It works fine unless drive letters are in use, e.g. "7za.exe l \ArcaOS\Downloads\ArcaOS-5.0.2.iso.7z" is fine, but "7za.exe l C:\ArcaOS\Downloads\ArcaOS-5.0.2.iso.7z" fails by a system error ("Unknown error -2147024872"). Thus, it works for relative paths only! Can you please fix that? Thanks a lot in advance.

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