The command line Tools that can be used.
Each of these classes represents a command line tool that can be used
to do various things, including:
submitting jobs,
continuing suspended jobs,
extracting information out of the XML files,
killing jobs,
ping of the clients or the driver machines,
re-run of a job,
turning on or off the accepting of jobs by the system,
getting statistics on the current jobs,
getting the status of jobs,
and
syncing up of the files on the client machines with the master copy.