If you can tell me what you see in the video, I can give you a more specific breakdown of its purpose. RSCS Overview - IBM
It provides batch communications for the VM operating system. Potential Application RSCS.mp4
(e.g., a specific IBM archive, dashcam app, or somewhere else)? What is the content of the video? If you can tell me what you see
RSCS handles CP (Control Program) spool files primarily. a specific IBM archive