Category Kernel Development

Cybersecurity, Home Lab, Kernel Development, Reverse Engineering

I Watched Every Instruction of a Linux Program Run — Here’s What Actually Happens

Detailed Summary Today I took a deep, hands-on dive into x86-64 Linux system calls by writing and debugging a pure assembly “Hello, Assembly!” program with no C library. I started with a simple NASM program that uses the modern syscall…

ny2honolulu
July 25, 2026

Home Lab, Kernel Development, Operating Systems

xv6-riscv: MIT’s Beautiful Minimalist OS That Taught Me How Kernels Really Work

xv6-riscv is a clean, minimalist, educational operating system developed by MIT. It is a re-implementation of the historic Unix Version 6 (1975) written in ANSI C for the modern RISC-V architecture. Purpose Why It’s Valuable How to Use It Structured…

ny2honolulu
July 20, 2026