请帮我解释一下.谢谢.急

You start the TCPProxy with something like:

CLASSPATH=/opt/grinder/lib/grinder.jar
export CLASSPATH

java net.grinder.TCPProxy

我想这应该在Dos中输入java -classpath D:\Lucy\grinder-3.0-beta22\grinder-3.0-beta22\lib\grinder.jar

但export classpath
      java net.grinder.Tcpproxy 是什么意思.