help needed regarding the client server communication

this is regarding my networking project which at present i am doing it in java...

the project is abt establishing a server in my lab that controls all the other systems in that lab... now the problem is i have to shut down all the systems in the lab from the server on a click of a button.... this i need to do using socket programming to which i am new....

So can anyone pls send me a sample code as to how to pass a command from server to shut shut down all the systems(clients) ..i need a java program that uses sockets concept to perform the above mentioned operation

[590 byte] By [lalita_swathia] at [2007-11-26 22:53:26]