---
title: "Mr Madhukar (@mrmadhukar) | Hashnode"
description: "Developer. Read the latest articles by Mr Madhukar on Hashnode."
url: "https://hashnode.com/@mrmadhukar"
---

@mrmadhukar

# Mr Madhukar

@mrmadhukar · Ambala,India · Joined December 2025

Developer

[Website](https://mrmadhukar.in/)

### [Linux File System Hunting](https://linux-file-system-hun-ting.hashnode.dev/linux-file-system-hunting?utm_source=hashnode&utm_medium=feed)

Explore Linux file system hunting with real insights into /etc, /proc, logs, DNS, networking, permissions, and system behavior.

11 min read · [linux-file-system-hun-ting.hashnode.dev](https://linux-file-system-hun-ting.hashnode.dev/linux-file-system-hunting?utm_source=hashnode&utm_medium=feed)

[May 6](https://hashnode.com/posts/linux-file-system-hunting/69faca3fa386d7f1210e8e8c)

### [Callbacks in JavaScript: Why They Exist](https://javascript-callbacks-new.hashnode.dev/callbacks-in-javascript-why-they-exist?utm_source=hashnode&utm_medium=feed)

Learn callback functions in JavaScript with simple examples, async use cases, and common pitfalls explained clearly.

4 min read · [javascript-callbacks-new.hashnode.dev](https://javascript-callbacks-new.hashnode.dev/callbacks-in-javascript-why-they-exist?utm_source=hashnode&utm_medium=feed)

[Mar 26](https://hashnode.com/posts/callbacks-in-javascript-why-they-exist/69c4b42810e664c5da3932c0)

### [Template Literals in JavaScript](https://javascript-template-literals.hashnode.dev/template-literals-in-javascript?utm_source=hashnode&utm_medium=feed)

Learn JavaScript template literals with examples, syntax, and real use cases. Improve code readability easily.

3 min read · [javascript-template-literals.hashnode.dev](https://javascript-template-literals.hashnode.dev/template-literals-in-javascript?utm_source=hashnode&utm_medium=feed)

[Mar 26](https://hashnode.com/posts/template-literals-in-javascript/69c4ac6710e664c5da3316d5)

### [Array Flatten in JavaScript](https://javascript-array-flatten.hashnode.dev/array-flatten-in-javascript?utm_source=hashnode&utm_medium=feed)

Learn nested arrays and flattening in JavaScript with examples, methods, and interview tips in simple language.

4 min read · [javascript-array-flatten.hashnode.dev](https://javascript-array-flatten.hashnode.dev/array-flatten-in-javascript?utm_source=hashnode&utm_medium=feed)

[Mar 25](https://hashnode.com/posts/array-flatten-in-javascript/69c4142210e664c5dac6be06)

### [JavaScript Modules: Import and Export Explained](https://javascript-modules.hashnode.dev/javascript-modules-import-and-export-explained?utm_source=hashnode&utm_medium=feed)

Learn JavaScript modules, import/export, and modular coding benefits with simple examples and real-world use cases.

4 min read · [javascript-modules.hashnode.dev](https://javascript-modules.hashnode.dev/javascript-modules-import-and-export-explained?utm_source=hashnode&utm_medium=feed)

[Mar 25](https://hashnode.com/posts/javascript-modules-import-and-export-explained/69c4093f10e664c5dabde4e4)