Today I Learned: The Boot Procedure from Firmware to Shell
I’ve been running Linux for years. sudo reboot and watch the magic happen. But I never actually knew what was happening between the power button and the login prompt. Today I watched a course by Sander van Vugt on LinkedIn Learning, and finally connected the dots. Here’s what I learned. The High-Level Flow Firmware → Disk → Bootloader → Kernel → initramfs → systemd → Services → Shell Simple, right? But each step has more detail than I expected. ...