📄️ Table of contents
Free Linux discovery course in 6 pedagogical lessons. Understand why Linux dominates servers, the difference between kernel and distribution, which distribution to choose, the internal architecture without typing a command, and its real use cases in cloud, containers and embedded systems.
📄️ 1 · Why Linux and not Windows on servers
Understand why 90% of the world's servers run Linux: the specific needs of a server, licence costs, control, and why Windows Server occupies an ever narrower niche.
📄️ 2 · What is Linux?
A simple, rigorous definition of Linux: the kernel created by Linus Torvalds in 1991, the operating-system myth, the distributions, and the Unix philosophy that explains everything.
📄️ 3 · Which distribution to choose?
A clear, honest comparison of the main Linux distributions: Ubuntu, Debian, Fedora, Red Hat, Rocky, Alpine, Arch. Which distribution to choose to start, for a server, for a container, for the enterprise.
📄️ 4 · How Linux works
Understand the Linux architecture without typing a single command: the role of the kernel, the shell, the tree-shaped file system, processes and permissions. Clear diagrams and explanations.
📄️ 5 · Real-world use cases
Where do we find Linux in real life? Five concrete grounds: web servers, cloud (AWS, GCP, Azure), Docker and Kubernetes containers, embedded systems (routers, TVs, cars), developer workstations.
📄️ 6 · Recap and FAQ
Summary of the Linux discovery course, answers to the 12 questions beginners ask most (is Linux hard, terminal, distributions, security, alternatives) and the recommended next step.
📄️ 🏆 Quiz and attestation
Test your Linux knowledge with a free 5-question quiz, corrected and explained. Kernel, distributions, Unix philosophy. Discovery attestation at the end.