This Book Taught Me 6 Must-Know Facts About Linux
Quoting: This Book Taught Me 6 Must-Know Facts About Linux —
You don’t need to know the full history of Unix to use it—or Linux, or macOS—today. But knowing a bit about how Unix originated cannot hurt. Understanding the context of the OS helps you understand the screen you're looking at, and history can answer many of your initial questions, like “Why are command names so short?”
The second chapter—“History: A Tale of Two Cultures”—explains how Unix began in 1969, on teletype machines that looked like glorified typewriters. It’s amazing to think that these machines still have something in common with many of the servers that power our lives online.