23 Jul, 2025

Understanding Localhost

By The Jat24 Feb, 20251 mins read 662 views

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Localhost refers to the local computer, mapped to IP `127.0.0.1`. It is essential for development, allowing testing and debugging services on the same machine. This article explains its role, shows how to modify the hosts file in Linux and Windows.

If you have ever worked with web development or networking, you have likely come across the term localhost. But what exactly is it? In this article, we will debunk what localhost it, how it works, and why it's essential for developers.