Handling OS Functionalities

Hi,IM tryin to build a network management system in java. can anyone tell me how can i call operating system(Windows) functionalities i.e. like Windows task manager, etc in java?
[192 byte] By [Kunal_V_Ta] at [2007-11-14]
# 1
Runtime and ProcessBuilder classes, and Java Native Interface (JNI)
ChuckBinga at 2007-7-8 > top of java,Core,Monitoring & Management...