prs500 - control PRS 500 devices
       prs500 [options] command args
       command is one of: info, books, df, ls, cp, mkdir, touch, cat, rm
       For help on a particular command: prs500 command
       --version
              show program's version number and exit  --log-packets  print out
              packet stream to stdout. The numbers in the left column are byte
              offsets that allow the packet size to be read off easily.
                                11 August 2010                       prs500(1)