[myid@corphost4~](155) $ uname
Linux
[myid@corphost4 ~](156) $ bunzip2 --help
bzip2, a block-sorting file compressor.  Version 1.0.3, 15-Feb-2005.

   usage: bunzip2 [flags and input files in any order]

   -h --help           print this message
   -d --decompress     force decompression
   -z --compress       force compression
   -k --keep           keep (don't delete) input files
   -f --force          overwrite existing output files
   -t --test           test compressed file integrity
   -c --stdout         output to standard out
   -q --quiet          suppress noncritical error messages
   -v --verbose        be verbose (a 2nd -v gives more)
   -L --license        display software version & license
   -V --version        display software version & license
   -s --small          use less memory (at most 2500k)
   -1 .. -9            set block size to 100k .. 900k
   --fast              alias for -1
   --best              alias for -9

[myid@corphost4 ~](157) $ which bunzip2
/usr/bin/bunzip2