UNIX and Linux Shells

The Untold Unix Story

Nushell in a Nutshell

15 Commands for the Command Line (Part 1)

The Story of GNU/Hurd

18 Commands That Will Change The Way You Use Linux Forever

The Unix Philosophy - My Take

SysVinit vs Systemd

The Tragedy of systemd

Operating System Basics

The mind behind Linux | Linus Torvalds | TED

Failure Lessons • Dale Birch

Making C Less Dangerous in the Linux kernel

The Computer Chronicles - UNIX (1985)

BASH scripting will change your life

Learning Awk Is Essential For Linux Users

What's in a Name? - Linux Namespaces

Linux like original Unix

FreeBSD 14.0

Three Package Managers

Getting Started with the Linux Shell