Uploaded December 2019 | Updated September 2026, 1 week ago

---

If you want to hack the kernel, are interested in jailbreaks, or just want to understand computers better, Linux Device Drivers is a great book to get you started. I used it to learn the basics, and in this video I want to share what *clicked* for me.

LEARN ON HEXTREE (ad)
Learn hacking on Hextree: hextree.io
Watch this video and more on Hextree: app.hextree.io/courses/yt-system-asm-introduction/how-computers-work
Join the Hextree Discord: discord.gg/xgQpCQCpvy

LDD Book: lwn.net/Kernel/LDD3
LDD3 Example Code Updated: github.com/martinezjavier/ldd3

CHAPTERS
00:00 - The Linux Resource That Helped Me at IBM
00:46 - Why Linux Device Drivers Is Still Useful
02:25 - Device Drivers as a Gateway Into the Kernel
04:26 - Kernel Modules and Character Devices
06:15 - Building and Loading a Hello World Module
08:47 - scull, Device Files, and Major and Minor Numbers
10:49 - Updating the Example and Mapping file_operations
12:41 - Opening and Writing to Our Character Device
15:32 - What Linux Files and Drivers Finally Mean

SUPPORT
Per video: patreon.com/join/liveoverflow
Per month: youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join
Buy my handwriting font (ad): shop.liveoverflow.com

WATCH, FOLLOW & READ
Second channel: youtube.com/LiveUnderflow
Twitch: twitch.tv/LiveOverflow
Twitter: twitter.com/LiveOverflow
Instagram: instagram.com/LiveOverflow
TikTok: tiktok.com/@liveoverflow_
LiveOverflow blog: liveoverflow.com
Hextree blog (ad): hextree.io/blog

#ReverseEngineering #LinuxSecurity #LiveOverflow

(ad) LiveOverflow YouTube channel is supported by advertisement and product placement.