How Linux Works
Unlike Windows, Linux is modular. The Kernel talks to the hardware, the Shell (Bash) talks to the Kernel, and you talk to the Shell.
Choosing Your Distro
Ubuntu
The industry standard for Cloud and Beginners. High compatibility and massive community support.
RHEL / Fedora
Enterprise-grade stability. Used by large corporations for mission-critical apps.
Arch Linux
For power users. You build it from the ground up. "If you know Arch, you know Linux."
Essential Navigation Commands
# Where am I?
pwd
# Show files in this folder
ls -la
# Move to the web directory
cd /var/www/html