I worked many years ago for a company that sold typesetting systems using DG Novas and Eclipses (16 and 32-bit both). As I recall, the RDOS CLI and system call

I worked many years ago for a company that sold typesetting systems using DG Novas and Eclipses (16 and 32-bit both). As I recall, the RDOS CLI and system call manual was a wire-bound paperback that would fit into a reasonably sized back pocket. The AOS/VS system call manual needed a fairly large three-ring binder, and the AOS/VS CLI and utility manual came as a small one.