Almost every software engineer has used Linux before, but only a handful know how its Boot Process works :) Let's dive in. The diagram below shows the steps. Step 1 - When we turn on the power, BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) firmware is loaded from non-volatile memory, and executes POST (Power On Self Test). Step 2 - BIOS/UEFI detects the devices connected to the system, including CPU, RAM, and storage. Step 3 - Choose a booting device to boot th

💻 How a PC Boots – Step by Step Explained! Ever wondered what happens when you press the power button on your PC? ⚡ Here’s a simple breakdown of the boot process 👇 🔹 PSU supplies power to all components 🔹 Motherboard connects and initializes hardware 🔹 BIOS checks system health (POST) 🔹 CPU, RAM & GPU are activated 🔹 Firmware loads essential instructions 🔹 Storage (HDD/SSD) is detected 🔹 I/O Devices are initialized 🔹 Operating system starts loading 🚀 Understanding this process helps w