--- title: "Raj Mourya (@raj220) | Hashnode" description: "Tech, explained simply. Read the latest articles by Raj Mourya on Hashnode." url: "https://hashnode.com/@raj220" --- @raj220 # Raj Mourya @raj220 · MahaRaharastra · Joined January 2026 Tech, explained simply ### [TCP Working: 3-Way Handshake & Reliable Communication](https://rajwa74.hashnode.dev/tcp-working-3-way-handshake-and-reliable-communication?utm_source=hashnode&utm_medium=feed) In this article we had to study about TCP how it work in simple terms the working of Tcp is Ek hath De, Aur Ek Hath Le. Understanding TCP – Reliable Communication on the Internet 1) What happens if data is sent without rules Imagine you want to send... 4 min read · [rajwa74.hashnode.dev](https://rajwa74.hashnode.dev/tcp-working-3-way-handshake-and-reliable-communication?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/tcp-working-3-way-handshake-and-reliable-communication/697ccf68e26c71a149163e4f) ### [Inside Git: How It Works and the Role of the .git Folder](https://rajmou123.hashnode.dev/inside-git-how-it-works-and-the-role-of-the-git-folder?utm_source=hashnode&utm_medium=feed) How Git Works Internally (Simple Mental Model) Many beginners use Git commands without knowing what Git is actually doing inside.This section explains Git internals in a very simple way, so you understand how Git thinks. 1) Understanding the .git Fo... 3 min read · [rajmou123.hashnode.dev](https://rajmou123.hashnode.dev/inside-git-how-it-works-and-the-role-of-the-git-folder?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/inside-git-how-it-works-and-the-role-of-the-git-folder/697ccb3745201edb3a09dc20) ### [Why Version Control Exists: The Pendrive Problem](https://rajmout.hashnode.dev/why-version-control-exists-the-pendrive-problem?utm_source=hashnode&utm_medium=feed) In simple terms why version control exist is When multiple developers edit the same file without version control, their changes can overwrite each other.Important code may get lost, and no one knows who changed what.This creates confusion and breaks ... 2 min read · [rajmout.hashnode.dev](https://rajmout.hashnode.dev/why-version-control-exists-the-pendrive-problem?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/why-version-control-exists-the-pendrive-problem/697cc5fd4adf07662f118ce9) ### [Git for Beginners: Basics and Essential Commands](https://rajmoury21.hashnode.dev/git-for-beginners-basics-and-essential-commands?utm_source=hashnode&utm_medium=feed) Git is like Ctrl + Z for your whole project—but better.When you’re coding (or writing anything), Git lets you save checkpoints.Made a mess? Just go back to the last good version. Git = the tool on your computer GitHub = where you store your project... 4 min read · [rajmoury21.hashnode.dev](https://rajmoury21.hashnode.dev/git-for-beginners-basics-and-essential-commands?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/git-for-beginners-basics-and-essential-commands/697c656b6b5f52aff9a2e82a) ### [Getting Started with cURL](https://rajmour.hashnode.dev/getting-started-with-curl?utm_source=hashnode&utm_medium=feed) In simple terms the curl is a command line tool where it sends the request and get response in the terminal that’s all about curl Guys take a kind note that Im writing this because the thing i want u to tell u guys that the way blog was written is gp... 4 min read · [rajmour.hashnode.dev](https://rajmour.hashnode.dev/getting-started-with-curl?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/getting-started-with-curl/697c60ae1d762e237b6ec8c0)