The story of HTTP isn't a neat timeline, it's a story of hitting walls, finding clever workarounds, and sometimes, throwing out the old rule book entirely.

HTTP / 0.9 - this is where it all began

To get a document from a server, you needed a protocol that was brutally simple.

HTTP/0.9 was exactly that. It was so simple it's almost stupidly funny by today's standards.

• There were no headers. No metadata. No cookies.

• There was only one method: GET.

• The request was literally a single line: GET /some-page.html.

The server dumps the raw html (text-only) and the connection is lost.

HTTP / 1.0 - a better solution

The web couldn't stay a text-only club forever. It wanted pictures. It wanted different layouts and eventually more than http/0.9.

• Version Numbers: Requests now said which "language" they were speaking (e.g., GET /my-cat.gif HTTP/1.0).

• Status Codes: Finally, a standardized way for the server to say what happened. 200 OK meant success, 404 Not Found meant you were asking for something that wasn't there.

• Headers: This was the big one. Now, both the request and the response could carry a little backpack of metadata. The Content-Type header meant we could serve images, CSS files, and more, not just HTML.

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HTTP / 1.1 - the internet standard

By 1997, the web was exploding, and the connection issue with 1.0 was a serious bottleneck. HTTP/1.1 arrived to fix it, and it did such a good job.

Persistent Connections : The browser could now make one connection to the server and reuse it to ask for multiple things. This was a huge deal for performance.

It also introduced a feature called Pipelining. It let a browser send a bunch of requests at once without waiting for the answers but the problem was that the server had to send the responses back in the exact same order.

This led to a nasty problem called Head-of-Line (HOL) Blocking.

HTTP / 2.0 - speed was a game changer

By the 2010s, websites weren't just a few images and some text. They were complex applications with dozens, sometimes hundreds, of resources. HTTP/1.1, even with its persistent connections, was creaking under the strain. The Head-of-Line blocking was a real pain.

In 2015 after the launch of http/2.0, instead of plain text, it spoke binary—much faster for computers to process. But its true superpower was Multiplexing.

With multiplexing, the browser could fire off all its requests at once over a single TCP connection, and the server could send back the responses as soon as they were ready, in any order.

HTTPS / 3.0 - the underlying protocol got changed

HTTP/2 fixed HOL blocking at the application level, but the problem was still hiding one layer deeper, in TCP — the very foundation that the whole internet is built on.

TCP is obsessed with order. If a single data packet gets lost on its way across the internet, TCP panics and makes everyone wait until that lost packet is found and re-sent.
This means all of our beautifully multiplexed HTTP/2 streams would grind to a halt.

The solution in HTTP/3 is absolutely brilliant, it is to ditch TCP and adopt UDP.

HTTP/3 runs on a new protocol called QUIC, which is built on top of the much simpler UDP.
QUIC adds all the smarts—reliability, congestion control, and security—on top of it.

Because QUIC manages streams independently, if a packet from one stream gets lost, it only holds up that one stream. The others can just keep on flowing. It finally, truly, solves the Head-of-Line blocking problem, from top to bottom. It also makes establishing new connections much faster.

As we continue to build and expand the web, HTTP remains the backbone of our online experiences, evolving to meet the demands of an ever-changing digital landscape. Looking ahead, HTTP will keep evolving, ensuring the web stays fast, secure, and accessible for all.

Millions of servers run it, the entire Android ecosystem is built on it, and countless developers have a laptop with a friendly penguin sticker on it. They all say they "use Linux." But the truth is, what we call "Linux" in everyday conversation is actually a combination of two distinct and equally important things.

The Heart of the Machine : What on Earth is a Kernel ?

Before we can talk about Linux, we need to talk about the kernel.

The kernel is the core brain of the operating system. It's the first program that loads when you boot up your computer and it has complete control over everything. Its job is to be the master translator and manager between your software (like your browser or code editor) and your hardware (the CPU, RAM, and storage).

A kernel's main jobs are :

• Process Management : Your computer is doing hundreds of things at once. The kernel is the traffic manager that decides which program gets to use the CPU at any given millisecond.

• Memory Management : The kernel keeps a map of our system's RAM. It decides who gets which bit of memory and makes sure no program messes with another program's space.

• Device Drivers : Your browser doesn't know how to talk to your specific Wi-Fi card or your particular brand of graphics card. The kernel does. It manages all the drivers that act as translators between software and hardware.

• System Calls : When a program needs to do something important, like create a file or open a network connection, it can't just do it. It has to ask the kernel politely through a "system call." The kernel is the bouncer that checks the request and grants or denies access to the hardware. It uses systemd for this.

In short, the kernel is the low-level, powerful program which acts as a brain.

So, Where Does "Linux" Come In ?

Back in 1991, a Finnish student named Linus Torvalds started a project. He famously announced it was "just a hobby, won't be big and professional." That hobby was writing a kernel from scratch. He wanted to build a free and open-source engine, inspired by another operating system called MINIX.

This is the crucial part - Linus Torvalds created the Linux Kernel. The engine. He didn't create the steering wheel, the seats, the radio, or the shiny paint job.

What's a Distribution?

A distro takes the Linux kernel and bundles it with all the other software you need to have a complete, usable operating system. It's the full package.

This package typically includes:

• The GNU Toolchain: A collection of essential programming tools (gcc, make) and core utilities (ls, cp, mv, bash) that form the backbone of the system. This is so fundamental that many people argue the correct term is "GNU/Linux," and they have a very good point.

• A Desktop Environment: This is the graphical user interface (GUI) you actually see and click on. It's the dashboard, the seats, and the windows of our car. Popular ones include GNOME, KDE Plasma, and XFCE.

• A Package Manager: This is your app store and your mechanic, rolled into one. It’s a tool like apt (for Debian/Ubuntu) or pacman (for Arch) that lets you install, update, and remove software easily.

• User Applications: All the other stuff—a web browser, an office suite, text editors, etc.

Ubuntu is not Linux. Ubuntu is a distribution that uses the Linux kernel as its engine.

Same for Fedora, Arch Linux, Linux Mint, and all the others. They all use the same core engine (the Linux kernel).

• Ubuntu aims to be a user-friendly and stable.

• Arch Linux is lightweight and can be highly customized.

• Fedora is a sleek and modern distro which is updated quite often.

This is the problem that a new vision for the internet seeks to solve. It’s called the permaweb.

The permaweb isn't just a catchy name, it's the idea of a web that is permanent, decentralized, and owned by its users, not corporations. A web where information, once published, can never be lost.

Part 1: The Foundation of the Permaweb - Arweave

You can't have a permaweb without permanent storage. This is the foundational layer, and it's powered by Arweave.

Arweave’s mission is simple: pay once, store forever.

This technology is the backbone of the permaweb. Think of it as the Library that can't ever burn down. It’s a decentralized storage network where data, web pages, historical records, entire applications, is stored permanently across a global network of computers. Unlike traditional cloud storage where you pay a monthly subscription (and if you stop paying, your data vanishes), Arweave solves this problem by permanently storing data.

Arweave single-handedly solves the problem of "link is not working" and server down issues. It provides the permanent, unchangeable memory that the permaweb is built upon. But a permaweb can't just be a static collection of old websites. It needs to think.

Part 2: The Decentralized Compute of Permaweb - AO

With a permanent hard drive (Arweave) in place, the next question is: "How do we run programs on the permaweb in a way that's as trustworthy as the storage itself?"

That's the problem AO was built to solve. It's the compute brain of the permaweb.

AO is a new kind of computing protocol built on top of Arweave. Its an open system which records every single thought and calculation for all to see. AO is a "hyper-parallel computer" that allows anyone to run applications where the results, and even the process itself, are permanently logged on Arweave for anyone to verify.

This transforms the permaweb from a read-only archive into a dynamic, interactive platform. Instead of trusting a company's server to run code honestly, AO enables "trustless" computation.

We write all the programs on AO with a programming language called lua.

This allows for a new class of permaweb applications: a social media platform where posts can't be censored, a financial service where every transaction is perfectly auditable, or an AI whose logic is completely transparent. AO provides the trust layer, making the permaweb a place where you can not only read history but also make it, securely and verifiably.

Part 3: The Decentralized GPU Power for Permaweb - Apus Network

To run truly powerful applications on the permaweb, things like decentralized AI, complex scientific simulations, or high rendering gaming, you need quite a large computational power. Doing every single calculation on a trustless, public computer like AO can sometimes be overkill. You need a dedicated system for this.

This is where Apus Network fits in, serving as the performance layer of the permaweb.

Apus is a marketplace for computing power, specifically the GPUs and CPUs needed for intensive tasks. It allows developers building for the permaweb to "rent" processing power from a global network of providers, often at a fraction of the cost of centralized cloud giants like AWS.

How do they work together ?

Here’s how they all work together to create a living permaweb application: A developer could store a massive AI dataset on Arweave (the permaweb's permanent memory). They could then use the powerful GPUs on the Apus Network (the permaweb's gpu) to train the model efficiently. Finally, the finished, trained AI could be deployed as a permanent, verifiable application running on AO (the permaweb's brain), where anyone can use it trustlessly.