--- title: "Kshitij Kumar (@kshitiij) | Hashnode" description: "Kshitij Kumar. Read the latest articles by Kshitij Kumar on Hashnode." url: "https://hashnode.com/@kshitiij" --- @kshitiij # Kshitij Kumar @kshitiij · Joined January 2026 Kshitij Kumar ### [TCP vs UDP: Understanding the Two Core Transport Protocols](https://blogs.kshitijgecs.dev/tcp-vs-udp-understanding-the-two-core-transport-protocols?utm_source=hashnode&utm_medium=feed) Every time you load a page, send a message, or join a video call, your data is broken into smaller units, sent across a chain of routers, and reassembled at the other end. None of that works unless th 10 min read · [blogs.kshitijgecs.dev](https://blogs.kshitijgecs.dev/tcp-vs-udp-understanding-the-two-core-transport-protocols?utm_source=hashnode&utm_medium=feed) [Oct 15](https://hashnode.com/posts/tcp-vs-udp-understanding-the-two-core-transport-protocols/6ad0e0f173828e0fa3a038c7) ### [How DNS Works: A Step-by-Step Guide to DNS Resolution](https://blogs.kshitijgecs.dev/how-dns-works?utm_source=hashnode&utm_medium=feed) Every time you type google.com into your browser, your computer has no idea where Google actually lives on the internet. It only understands IP addresses, not human-friendly domain names. So how does 4 min read · [blogs.kshitijgecs.dev](https://blogs.kshitijgecs.dev/how-dns-works?utm_source=hashnode&utm_medium=feed) [Jul 23](https://hashnode.com/posts/how-dns-works/6a624e7c8cfbd618d712b086) ### [How to Create a New Gmail Account: A Step-by-Step Beginner's Guide](https://blogs.kshitijgecs.dev/how-to-create-a-new-gmail-account?utm_source=hashnode&utm_medium=feed) Author: Kshitij KumarCategory: Technical Writing | Android | Google | Beginner Guide Introduction A Google Account gives you access to Google's complete ecosystem of services, including Gmail, Googl 6 min read · [blogs.kshitijgecs.dev](https://blogs.kshitijgecs.dev/how-to-create-a-new-gmail-account?utm_source=hashnode&utm_medium=feed) [Jul 10](https://hashnode.com/posts/how-to-create-a-new-gmail-account/6a5067bab8013c33fec0c8ce) ### [Inside Git: How It Works and the Role of the .git Folder](https://blogs.kshitijgecs.dev/how-git-works?utm_source=hashnode&utm_medium=feed) Most of us use Git commands like git add, git commit and git push. We know what to type but we don’t know what actually happens inside. You don’t know where your code history is actually stored? How git is tracking your history? Or how Git knows what... 3 min read · [blogs.kshitijgecs.dev](https://blogs.kshitijgecs.dev/how-git-works?utm_source=hashnode&utm_medium=feed) [Jan 27](https://hashnode.com/posts/how-git-works/6978f253ead51482f82901a9) ### [Why Version Control Exists: The Pendrive Problem](https://blogs.kshitijgecs.dev/why-version-control-exists?utm_source=hashnode&utm_medium=feed) Introduction: Imagine Playing a video game without “Save Points”. One wrong move, and you lose hours of progress. Frustrating, right? That used to be the reality of software development. Before the era of Version Control Systems (VCSs), we lived in t... 5 min read · [blogs.kshitijgecs.dev](https://blogs.kshitijgecs.dev/why-version-control-exists?utm_source=hashnode&utm_medium=feed) [Jan 16](https://hashnode.com/posts/why-version-control-exists/696ab1b0c8af5198af60165d)