rzip [OPTIONS] <files...>

rzip is a file compression program designed to do particularly well on very large files containing long distance redundency.

Here is a summary of the options to rzip.

 -0            fastest (worst) compression
 -9            slowest (best) compression  (default)
 -d            decompress
 -o filename   specify the output file name
 -S suffix     specify compressed suffix (default '.rz')
 -f            force overwrite of any existing files
 -k            keep existing files
 -P            show compression progress
 -V            show version