Your Talend Studio provides a set of templates for the shell commands used to launch built Jobs. You can customize those templates based on your needs.
Click on the toolbar of the Studio main window, or click File > Edit Project Properties from the menu bar to open the [Project Settings] dialog box.
Expand the Build > Shell Setting nodes and click Bat or Sh depending on the operating system on which your built Jobs are going to run.
Edit the code in the corresponding view based on your needs and click OK.