In addition to standard conversion within the program, Pub HTML5 also provides you with a Command Line tool enabling you to run the conversion in the background. Here is the step-by-step tutorial: Step1. After deigning your digital publication, click â€œCommand Lineâ€ and choose the â€œSave Command Line Settingsâ€ option. Step2. Open your Windows Command Line (cmd.exe). Step3. Drag and drop the PubHTML5 Command Line tool into it. Hit the "Enter" button and the below code will show up. Now you can make use of the code to define all the settings for your digital conversion.