Compression with bzip2 In addition to gzip, tar can use…
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Compression with bzip2
In addition to gzip, tar can use bzip2 for better compression. For example:
bash
tar -cjvf archive_name.tar.bz2 .
This command creates an archive compressed with the bzip2 algorithm, which is often more efficient than gzip in terms of compression ratio, but slightly slower.
Selective Extraction
tar allows you to extract only certain files from an archive without decompressing the entire archive. For example:
bash
tar -xzvf archive_name.tar.gz path/to/file.txt
This extracts only the specified file, which is useful for retrieving a specific item without manipulating the entire archive.
Incremental Archiving
With the --listed-incremental option, tar can create incremental backups. Example:
bash
tar --listed-incremental=snapshot.file -czvf backup.tar.gz /home/user
This method saves only the files modified since the last archive, thus optimizing time and storage space.
In addition to gzip, tar can use bzip2 for better compression. For example:
bash
tar -cjvf archive_name.tar.bz2 .
This command creates an archive compressed with the bzip2 algorithm, which is often more efficient than gzip in terms of compression ratio, but slightly slower.
Selective Extraction
tar allows you to extract only certain files from an archive without decompressing the entire archive. For example:
bash
tar -xzvf archive_name.tar.gz path/to/file.txt
This extracts only the specified file, which is useful for retrieving a specific item without manipulating the entire archive.
Incremental Archiving
With the --listed-incremental option, tar can create incremental backups. Example:
bash
tar --listed-incremental=snapshot.file -czvf backup.tar.gz /home/user
This method saves only the files modified since the last archive, thus optimizing time and storage space.
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