Additional explanation: Bzip2 adopts the new compression algorithm, the compression effect is better than the traditional lz77/lz78 compression algorithm. Without any parameters, bzip2 compresses the file and produces a. bz2 compressed file and deletes the original file.
Parameters: -C or--stdout sends the results of compression and decompression to standard output. -D or--decompress to perform the decompression. -F or--force bzip2 when compressing or decompressing, presets do not overwrite existing files if the output file has the same name as an existing file. To overwrite, use this parameter. -h or--help display Help. A-K or--keep bzip2 deletes the original file after compression or decompression. Use this parameter if you want to keep the original file. -S or--small reduces the amount of memory used when the program executes. -T or--test test. bz2 the integrity of the compressed file. Displays detailed information when you compress or decompress a file-V or--verbose. -Z or--compress to enforce compression. -L,--License, -V or--version display version information. --repetitive-best If there are duplicate data in the file, this parameter can be used to improve the compression effect. --repetitive-fast This parameter can be used to speed up execution if there are duplicate data in the file. -Block size at compression level compression.
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