cd $SPARK_HOME
ls examples/src/main/java/org/apache/spark/examples/
./bin/run-example SparkPi
/Users/drehman/Apps/spark-1.6.2-bin-hadoop2.6/bin/spark-submit --master local[*] --class org.apache.spark.examples.SparkPi /Users/drehman/Apps/spark-1.6.2-bin-hadoop2.6/lib/spark-examples-1.6.2-hadoop2.6.0.jar