File Compression

zip / unzip / gzip / gunzip: (GNU) Zip, compress / decompress(expand) files.


Options:

 -d  : like gunzip

 -c --stdout --to-stdout : 
       Write output on standard output 
       and  keep original files unchanged.

Example:

  gzip *

bzip2 / bunzip2: Generally considerably better than gzip.

Uses Burrows-Wheeler block sorting text compression algorithm,
and Huffman coding.