The 7-Zip version 21.01 alpha increases the speed for decompression LZMA and LZMA2 in the arm64 versions for macOS and Linux by 20% -60%.

7-Zip now writes an additional field for the file name in UTF-8 encoding in the zip archives and also allows the correct extraction of the file name from the zip archives on different systems.

The 7-Zip command line version for macOS is now released, as well as some changes and improvements to the ZIP, TAR and NSIS code.

7z is an archive format that offers a high compression ratio. The main features of the 7z format:

Open architecture
High compression ratio
Strong encryption AES-256
Ability to use any compression, conversion or encryption method
Support for files up to 16000000000 GB
File names Unicode
compression Archive header compression

7z has an open architecture, so it can support any new compression methods. The following methods are integrated in 7z:

Method Description
LZMA Improved and optimized version of LZ77 algorithm
LZMA2 Improved version of LZMA
PPMD Dmitry Shkarin's PPMdH with small changes
CJD Converter for 32-bit x86 executables
BCJ2 Converter for 32-bit x86 executables
BZip2 Standard BWT algorithm
Deflate Standard LZ77-based algorithm


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Utilizator Linux - Solus OS, pasionat de calatorii.
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