Install bzip2-doc by entering the following commands in the terminal:
sudo apt update sudo apt install bzip2-doc
high-quality block-sorting file compressor - documentation
bzip2 is a freely available, patent free, high-quality data compressor. It typically compresses files to within 10% to 15% of the best available techniques, whilst being around twice as fast at compression and six times faster at decompression. . This package contains the bzip2 user manual.