History and classification of the Unix-like OS family

A Chronicle of the Unix Wars

The History of X11

Microkernel OS history and introduction

The Rise of Unix. The Seeds of its Fall.

Phantasie II C64 pt2: Bending the rules

Why We Run FreeBSD current at Netflix – Drew Gallatin

THE MESSENGERS OF JESUS | The Witness Trilogy (Part 2) • KidsofJesus.com

QNX Neutrino 6.1 (2001) (part 2 - tour) - widely successful but underappreciated outside embedded

Unix50 - Unix Today and Tomorrow: The Kernel

Interactive Fiction: Wie programmiert man einen Roman? - FH Campus Wien Library Lecture

The Evolution of the Operating System

Think Fast, Talk Smart: Communication Techniques

Unearthing the History of Unix: Warner Losh

The Making of BSD: The ACTUAL World's First Open-Source Operating System?

AT&T Archives: The UNIX Operating System

The Story of GNU/Hurd

Linux like original Unix

The Making of Linux: The World's First Open-Source Operating System

UX/RT introduction from FOSDEM 2022