[Pig Wiki] Update of "PigTutorial" by bryguy1211

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The "PigTutorial" page has been changed by bryguy1211.
http://wiki.apache.org/pig/PigTutorial?action=diff&rev1=70&rev2=71

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   * '''Local Mode''': To run the scripts in local mode, no Hadoop or HDFS installation is required. All files are installed and run from your local host and file system.
   * '''Hadoop Mode''': To run the scripts in hadoop (mapreduce) mode, you need access to a Hadoop cluster and HDFS installation.
  
- The Pig tutorial file ([[attachment:pigtutorial.tar.gz]] or the tutorial/pigtutorial.tar.gz file in the pig distribution) includes the Pig JAR file (pig.jar) and the tutorial files (tutorial.jar, Pigs scripts, log files). These files work with Hadoop 0.18 and provide everything you need to run the Pig scripts. To get started, follow these basic steps: 
+ The Pig tutorial file ([[attachment:pigtutorial.tar.gz&do=get]] or the tutorial/pigtutorial.tar.gz file in the pig distribution) includes the Pig JAR file (pig.jar) and the tutorial files (tutorial.jar, Pigs scripts, log files). These files work with Hadoop 0.18 and provide everything you need to run the Pig scripts. To get started, follow these basic steps: 
  
   1. Install Java.
   1. Download the Pig tutorial file and install Pig.