The author also assumes you know what SAP is and what it is for. I, Tom Owens, wrote this program and the documentation.
Programmers have an annoying tendency to write bad documentation for their own programs.
This document is no exception. We programmers tend to write things in a way that are overly complicated because we have an innate need to explain everything in too much detail. Please bear with me. Right now, I'm going thru some equipment transition and my patches are all changing accordingly. Anyhow, for my own purposes, I wrote this for the Linux operating system.