Linux Command Encyclopedia backup compression: bzip2

Function Description:. bz2 file compression program.

Grammar: bzip2&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-cdfhklstvvz] [--repetitive-best] [--repetitive-fast] [-Compression level] [Files to compress]

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.