Operating Systems Demystified for Developers
Operating Systems Demystified for Developers As a developer, you touch many parts of the system, but the operating system often stays in the background. This guide uses plain language to explain how the OS works and why it matters for your code. A simple mental model helps you write faster, avoid stalls, and debug problems more quickly. Layers and interfaces: Your program runs in user space. When it needs a service, it asks the kernel via a system call. The kernel then talks to memory, devices, and the file system. Keeping these layers clear helps you reason about performance and security. ...