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# 7-Zip

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- Archiving and compression

7-Zip is a file archiver with a high compression ratio. It was previously provided by the p7zip package.

## Installation

Install the 7zip package.

The command to run the program is the following:

    $ 7z

Alternatively, bsdtar(1) provides 7z archive support and is included within the libarchive package.

## Examples

Warning Do not use 7z format for backup purposes, because it does not save owner/group of files.

Add file/directory to the archive (or create a new one):

    $ 7z a archive_name file_name

Also it is possible to set password with flag `-p` and hide structure of the archive with flag `-mhe=on`:

Warning Using the `-p` flag will ask you to enter a password on the command line. As of version 24.09, what you provide at the `Enter password:` prompt is no longer hidden; what you type is visible, and no password confirmation is requested.

    $ 7z a archive_name file_name -p -mhe=on

Update existing files in the archive or add new ones:

    $ 7z u archive_name file_name

List the content of an archive:

    $ 7z l archive_name

Extract all files from an archive to the current directory without using directory names:

    $ 7z e archive_name

Extract with full paths:

    $ 7z x archive_name

Extract into a new directory:

    $ 7z x -odirectory_name archive_name

Check integrity of the archive:

    $ 7z t archive_name

## Differences between 7z, 7za and 7zr binaries

The package includes three binaries:

- `7z` uses plugins to handle archives.
- `7za` is a stand-alone executable that handles fewer archive formats than 7z.
- `7zr` is a stand-alone executable. It is a "light-version" of 7za that only handles 7z archives. In contrast to 7za, it cannot handle encrypted archives.

## See also

- Wikipedia:7-Zip
- 7-Zip homepage
- Official manual

Category:

- Data compression and archiving

7-Zip
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