Tagged articles

program loading

2 articles · Page 1 of 1

Jun 5, 2026 · Fundamentals

Step‑by‑Step: How a Program Is Loaded and Executed by the OS

The article explains how an executable file is located, parsed (e.g., ELF), loaded into memory, divided into code, data, heap and stack regions, how dynamic libraries are placed, and how the OS uses the entry‑point address to start the CPU executing the program.

ELFentry pointexecutable

0 likes · 5 min read

Step‑by‑Step: How a Program Is Loaded and Executed by the OS

Liangxu Linux

Sep 16, 2024 · Fundamentals

What Happens When You Double‑Click an App? Inside the OS Loading Process

This article explains how an executable file is identified, loaded into memory, and organized into code, data, heap, and stack segments, describing the OS’s role, ELF format details, dynamic library placement, and how the CPU finds the program’s entry point to start execution.

ELFexecutablememory layout

0 likes · 6 min read