title: Whats about SIGAR jar and how it is used in the application?
body: <p>i want to developed one web application where
  using SIGAR jar concept to fetch the information
  about the network machine just like a monitoring on network application.
  but i don't know more about SIGAR
  plz any body help me to understand about SIGAR
  and is really the SIGAR can fetch the information
  about machine in the network. </p>