The focus of this tutorial is using the Globus grid toolkit in combination with Perl through the Perl Commodity Grid (CoG) kit. You should take this tutorial if you want to be able to build grid applications and systems that use the Globus system using Perl as the interface and control language for submitting work and operations to the grid. You should already know the basics of the grid, the Globus system, and Perl. You should be able to write basic Perl scripts and use external modules and libraries.