2d ago · 5 min read · When most people start learning Linux, they focus on basic commands like ls and cd. That is helpful, but it only shows the surface. The real power of Linux is hidden inside its file system. Every fold
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Feb 1 · 3 min read · What is a server and why we talk to it First basic thing.A server is just another computer on internet.This computer stores websites, data, APIs, images, everything. When we open a website in browser, we are actually talking to a server.We send reque...
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Feb 1 · 3 min read · What is DNS DNS means Domain Name System.DNS is like phonebook of internet. Humans remember names like: google.com facebook.com But computers understand only numbers like: 142.250.182.14 So DNS job is simple:convert website name into IP address...
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Feb 1 · 3 min read · Why writing HTML feels slow at start When I started HTML, typing everything felt too much.So many angle brackets, closing tags, nesting Example: <div> <p>Hello</p> </div> For small thing, lot of typing.That’s when I learned about Emmet. What is Em...
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Feb 1 · 3 min read · What is HTML and why we use it When I started web dev, first word I hear is HTML.HTML means HyperText Markup Language. HTML is not programming language.It is used to structure a webpage. Think like this: HTML = skeleton of body CSS = clothes JavaS...
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Feb 1 · 3 min read · What is a Browser (More Than “It Opens Websites”) A browser is not just a website opener. Browser is a software that: takes code (HTML, CSS, JS) understands it converts it into pixels on screen Examples: Chrome Firefox Edge Safari So brows...
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Feb 1 · 3 min read · Big picture: how internet comes to our home or office Before learning devices, see full flow. Internet ↓ Modem ↓ Router ↓ Switch ↓ Laptop / Mobile / Server Each device has its own role.Let’s understand one by one. What is a Modem? Mo...
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Feb 1 · 3 min read · How does a browser know where a website lives? When I type a website like example.com,my browser somehow finds the correct server. But computer does not understand names.Computer understands numbers (IP addresses). So question is:How name becomes num...
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Feb 1 · 3 min read · Internet Needs Rules to Send Data Internet is just computers talking to each other. To send data properly, they need rules.These rules are called protocols. Two important protocols are: TCP UDP What is TCP? TCP (Transmission Control Protocol) is ...
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Feb 1 · 3 min read · Why CSS selectors are needed When I write CSS, browser does not know where to apply style.CSS selectors are used to select HTML elements and style them. Without selectors: CSS is useless browser is confused So selector = who should get the style ...
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