Linux Boot Process Explained Step‑by‑Step | BIOS → GRUB → Kernel → Systemd
In this video, we break down the Linux Boot Process in very easy‑to‑understand steps. You’ll learn exactly what happens when you press the power button — from BIOS/UEFI, GRUB, Kernel initialization, Initramfs, Systemd, and finally the login prompt.
Timestamp:
00:00 Introduction
00:15 BIOS/UEFI
02:13 GRUB BOOTLOADER
03:12 LINUX KERNEL
04:25 SYSTEMD
05:52 LOGIN PROMPT
This tutorial is perfect for:
Linux beginners
RHCSA / RHCE students
Security+ learners
Cybersecurity analysts
SOC analysts
Anyone building a Linux home lab
📌 Topics Covered:
What BIOS/UEFI does
How GRUB loads the kernel
What kernel initialization looks like
Why initramfs is needed
How systemd starts services
What targets/runlevels mean
How Linux reaches the login prompt
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