-/bottlenecks/rubbos/app/apache-ant-1.6.5/bin/ant clean
-/bottlenecks/rubbos/app/apache-ant-1.6.5/bin/ant dist
-make
+/bottlenecks/rubbos/app/apache-ant-1.6.5/bin/ant clean >/dev/null
+/bottlenecks/rubbos/app/apache-ant-1.6.5/bin/ant dist >/dev/null
+make >/dev/null 2>&1