Chantal Lebrument, Fabien Soyez: The Inventions of Louis Pouzin: One of the Fathers of the Internet. Springer Nature, 2019, ISBN 978-3-03034836-6, S.24 (englisch, eingeschränkte Vorschau in der Google-Buchsuche): “At the beginning of 1965, he developed the RUNCOM program, an “interpreter” that makes it possible to execute a set of commands contained in a file, and makes parameter substitution possible.”