🧩 OS for Beginners courses
Learn the operating system itself before you hack it — Linux, Kali, Windows, macOS, iOS and Android from zero.
Courses from CHF 19.90 one-time · first lesson free · no subscription · beginner to master · certificate included
- 20 lessons per course
- Knowledge checks in every lesson
- Final exam + verifiable certificate
- Runs in your browser — start right after payment
Linux for Beginners
Beat terminal fear: install Linux, master the filesystem, files, permissions & your first bash script.
Kali Linux for Beginners
Install Kali, tour the toolset, and build a safe, legal home lab on targets you own.
Windows for Beginners
Under the hood of Windows: CMD, PowerShell first steps, accounts & UAC, services, networking.
macOS for Beginners
The Unix under the Mac: Terminal & zsh, Homebrew, permissions, Gatekeeper & SIP.
iOS for Beginners
How iOS works: the sandbox & security model, apps & IPA, Developer Mode, jailbreak risks.
Android for Beginners
The Linux under Android: apps & APK, Developer Options, ADB, emulators, rooting risks.