:: Lab Exercises
                
                 1. cp -R /opt/ogsa-3.0 ~ 
                 2. cd ~/ogsa-3.0 
                 3. ant setup 
                 4. export GLOBUS_LOCATION=`pwd` 
                 5. mkdir tutorial ; cd tutorial 
                 6. export TUTORIAL_DIR=`pwd` 
                 7. mkdir gt3tutorial 
                 8. 
http://www.casa-sotomayor.net/gt3-tutorial/
                     Start at "GT3 Core".