WARNING:  Do not leave the java Server program running.  It allows
  the client to execute arbitrary commands in YOUR ACCOUNT.


    Java Exercise 13


        Description:

Simple Server/Client java applications to demonstrate connectivity.


        Procedure:

Choose an arbritrary port number (preferably higher than 1023), and use
it as the *portnr* parameter in the following procedure...
1. Start the server app with "java Server *portnr*"
2. Start client app in another window with "java Client *portnr*"
The client's port number have to match that of the server in order for
the client to connect to it. Several clients can connect to the same
running server at the same time. Try it with different terminal windows!
The following command/request to the server from the client side are
available:
*INFO* - Gives a short reply
*ID* - Identifies the client sending this request
*EXEC commandline* - Executes the commandline in your system e.g. "EXEC
ls" will display the current directory in a Unix environment. The
commandline might also be any program you wish to start remotely.
*quit/exit* - disconnects the client from the server and quits client app


        Java source code:

Server.java
Client.java


        Java compiled classes:

Server.class
Client.class
ServerConnection.class

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