Deepin Linux

Jun 25, 2026 · Fundamentals

Understanding C/C++ Process Memory Layout: Code, Global, Stack, and Heap

This article explains how an operating system divides a C/C++ program's virtual address space into four distinct regions—code, global, stack, and heap—detailing their lifetimes, permissions, management rules, and common pitfalls such as memory leaks, dangling pointers, and stack overflow.