We will discuss about two built-in variables of Pentaho which most of the developers are not aware of or they don’t use these variables so often in their coding. These variables are Internal.Job.Filename.Directory and Internal.Transformation.Filename.Directory. Designed one Job which has further sub-jobs. See the SS for the same. Here, you can see there is parent-job which has sub jobs (start-job.kjb and job 2). The parent job is present at location C:\AS2\ as seen in below image. Now, right click on start-job and go to Edit, as it is clearly seen in…