PDI client (Spoon) is a desktop application you install on your workstation, enabling you to build transformations and jobs or schedule when jobs should run. Spoon is included in the standard Pentaho Data Integration distribution and can be launched using the spoon scripts into the data-integration folder (spoon.sh is for Linux-based operating system and spoon.bat is for Windows-based operating system), as shown as follow:

You won't discover all of the details about Spoon in this section, because it definitely needs an entire book for a deep dive. Instead, we would like to share that with a graphical interface, you have a visual representation of flows in transformations and jobs, as well as full control of their execution for debugging purposes. All the images presented in this chapter are done using Spoon, and in the following sections you will see a practical example of its use.