In the previous session, I got comfortable with Linux basics and terminal access. This session focused on understanding what actually happens behind the scenes when we run commands, how Linux is structured internally, and how files are organized on the system.
These concepts might sound theoretical at first, but they're the foundation of everything you'll do in DevOps—from managing EC2 instances and Docker containers to troubleshooting production servers.
The Linux Kernel: The Heart of the Operating System
The kernel is the most important component of Linux.
Think of it as a translator sitting between software and hardware. Applications can't directly talk to the CPU, RAM, disks, or network interfaces. Instead, every request goes through the kernel.
