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README.md

7-Zip on GitHub

Welcome to the 7-Zip repository on GitHub! 7-Zip is a popular open-source file archiver with a high compression ratio. It supports a wide range of file formats and is available for Windows and command-line interfaces.

License: LGPL GitHub Release Downloads

About 7-Zip

7-Zip is a powerful tool for compressing and decompressing files. It is known for its high compression ratio, especially when using the 7z format with LZMA and LZMA2 compression. The software is free to use and is released under the GNU Lesser General Public License (LGPL).

Key Features:

  • High compression ratio in 7z format with LZMA and LZMA2 compression.
  • Supports multiple formats, including:
    • Packing/unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP, WIM.
    • Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR, Z.
  • Integration with Windows Shell (drag-and-drop, context menu).
  • Powerful command-line version.
  • Localizations for 87+ languages.

Installation

To install 7-Zip, visit the official website: 7-zip.org. Download the appropriate version for your operating system and follow the installation instructions.

Usage

Graphical User Interface (GUI)

  1. Launch 7-Zip from the Start menu or desktop shortcut.
  2. Use the interface to navigate, compress, and extract files.

Command-Line Interface (CLI)

7-Zip provides a command-line tool (7z.exe) for advanced users. Here are some basic commands:

  • Compress a file or folder:

    7z a archive_name.7z folder_or_file

  • Extract an archive:

    7z x archive_name.7z

  • List contents of an archive:

    7z l archive_name.7z

For more commands and options, refer to the 7-Zip documentation.

Contributing

Contributions to 7-Zip are welcome! If you'd like to contribute, please follow these steps:

  1. Fork the repository.
  2. Create a new branch for your changes.
  3. Make your changes and test them thoroughly.
  4. Submit a pull request with a detailed description of your changes.

License

7-Zip is licensed under the GNU Lesser General Public License (LGPL). For more details, see the LICENSE file in the repository.

Support

For support, bug reports, or feature requests, please visit the 7-Zip forum or open an issue on GitHub.

Links

Copyright

© 1999-2023 Igor Pavlov. All rights reserved.

7-Zip is developed and maintained by Igor Pavlov. The software is distributed under the terms of the GNU Lesser General Public License (LGPL). For more information, visit the official website.

Thank you for using 7-Zip! We hope it meets your compression and archiving needs.