PDP-11 FORTRAN-77/RT-11

This document serves as the installation guide and release notes for PDP-11 FORTRAN-77, version 5.0, on the RT-11 operating system, version 5.1. It provides detailed, step-by-step instructions for installing the compiler and Object Time System (OTS), including system requirements, preparation of the system (such as freeing memory), and the actual installation process using either manual steps or an optional IND command file. It further discusses system performance, tailoring the compiler, and provides release notes concerning known issues and limitations for this version.