HotConvertBZ2
BZ2 — Bzip2 Compressed File
documentBZ2 is a single-file compression format using the bzip2 algorithm (Burrows-Wheeler transform + Huffman coding). It consistently achieves 10-15% better compression ratios than gzip for text and source code, making it preferred for bandwidth-sensitive distributions. Like gzip, it compresses only a single file — directories must be bundled with TAR first.
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✓Common use cases
- ›Compressing large text files and source code archives
- ›Linux package distribution (.deb source packages)
- ›Scientific data compression
- ›Bandwidth-sensitive file distribution
- ›Compressing database dumps
★Advantages
- ›10-15% better compression than gzip for typical text
- ›Block-level error recovery
- ›Open source and widely available
- ›Good for text-heavy and source code data
- ›Parallel bzip2 (pbzip2) available for multi-core
⚙Technical details
Uses Burrows-Wheeler block-sorting transform followed by Huffman coding; block size selectable (100KB-900KB); CRC-32 per block for error detection; error-recoverable (can decompress from mid-stream if block headers intact).
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