Embedded Prep

Category: Embedded Linux

  • Linux Device Driver Interview Questions Complete Roadmap

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    Raj Kumar
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    1. Linux & Kernel Fundamentals Basic 2. Linux Device Driver Fundamentals Important APIs Know why, when and how each is used. 3. Character Device Driver This is one of the highest-priority interview areas. Questions 4. Device Driver Registration Know the complete sequence. Character driver Interview questions: 5. Kernel Module Programming Prepare these very well. 6.…

  • Embedded Linux + Yocto Interview Questions

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    Raj Kumar
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    PART 1 – Embedded Linux Fundamentals Beginner PART 2 – Embedded Linux Architecture PART 3 – Boot Process Extremely Important Expected: PART 4 – Linux Kernel Basics PART 5 – Linux Device Tree Must Know mean? PART 6 – Linux Device Drivers PART 7 – Interrupts PART 8 – Synchronization PART 9 – Linux Memory…

  • Linux System Programming – Complete Interview Question Bank

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    Raj Kumar
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    1. Linux System Programming Fundamentals Basic Concepts 2. Processes This is one of the most important interview areas. Process Basics 3. fork() Coding Questions Interviewers may ask: How many times will this code execute? 4. exec() Know all of these: Questions: 5. Process Termination 6. wait() / waitpid() 7. File Descriptors This is extremely important…

  • Master How to Write Platform Devices and Drivers (2026)

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    Raj Kumar
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    Learn how to write Platform Devices and Drivers from scratch using Device Tree, I2C, interrupts, and testing, explained clearly for beginners. If you are stepping into Linux device driver development, sooner or later you will hear one phrase again and again: Platform Devices and Drivers.They sound complex at first, but once you understand the flow,…

  • How Linux Boots? Master Linux Booting Process (2026)

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    Raj Kumar
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    Learn How Linux Boots process step by step, from power on to login. Beginner-friendly explanation with clear stages and real examples. If you’ve ever wondered what happens when you press the power button on a Linux machine, you’re not alone. The Linux booting process can seem mysterious at first, but once you break it down,…

  • Master LDD Interview Questions (2026)

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    Raj Kumar
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    LDD interview questions with clear answers for freshers and experienced engineers. Covers character drivers, platform drivers, device tree, and kernel basics. Preparing for a Linux Device Driver interview can feel overwhelming, especially when questions go deep into kernel internals, memory management, and hardware interaction. This curated collection of Linux Device Driver (LDD) Interview Questions is…

  • Platform Devices and Drivers on Linux

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    Raj Kumar
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    Learn Platform Devices and Drivers in Linux from scratch with clear explanations, device tree examples, driver code, testing steps, and real-world insights. If you are getting into Linux device drivers, especially embedded Linux, you will keep hearing one phrase again and again: Platform Devices and Drivers. At first, it sounds complicated. Platform bus, platform_device, platform_driver,…

  • Master PCI Drivers in Linux (2026)

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    Raj Kumar
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    Learn PCI Drivers in Linux , including PCIe architecture, BARs, device probing, interrupts, and kernel driver development. If you’re curious about how Linux talks to hardware on the PCI bus, you’re in the right place. Today we’re going to unpack PCI drivers in Linux, explain how they work, and give you hands‑on insights into writing,…

  • Master USB Drivers in Linux (2026)

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    Raj Kumar
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    USB Drivers in Linux explained for beginners earn USB architecture, driver registration, device detection, and real-world examples. If you’ve ever plugged a USB device into your Linux system and wondered how it magically works, you’ve experienced the power of USB drivers in Linux. From keyboards and mice to storage devices and cameras, Linux relies on…

  • Master Input Drivers in Linux (2026)

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    Raj Kumar
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    Learn Input Drivers in Linux with a beginner-friendly guide covering input subsystem, event handling, keymaps, and real-world examples. If you’re new to Linux kernel internals, but curious to understand input drivers in Linux, you’re in the right place. In this friendly, in‑depth article, we’ll walk through what input drivers are, why they matter, how they…