bzip2 & bunzip2

Question 1

bzip2

Answer 1

bzip2 compresses files using the Burrows-Wheeler block sorting text compression algorithm, and Huffman coding.

Question 2

bzip -s

Answer 2

-s, –small, Reduce memory usage, for compression, decompression, and testing.

Question 3

bzip -z

and

bzip -d

Answer 3

• z, –compress, Forces compression.
• d, –decompress, Forces decompression.

Question 4

bzip2

• c
• f
• q
• t
• v

Answer 4

• c, –stdout, Write on stdout, keep original files unchanged.
• f, –force, Force overwrite of output files.
• q, –quiet, Suppress all warnings.
• t, –test, Test compressed file integrity.
• v, –verbose

Question 5

bunzip2

Answer 5

bunzip2 (or bzip2 -d) decompresses all specified files.