fonctionality personal command line

hey i would like to know what are the fonctionality of personal command linein the preferences ?

thank you

Please show a screenshot to illustrate your question.

@heckflosse

Have you read RawPedia? http://rawpedia.rawtherapee.com/Preferences/fr#Editeur_externe

French traduction is innacurate.
La traduction française est inexacte.
Better traduction. Meilleure traduction :
‘Ligne de commande personnalisée’