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index.html
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<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<link rel="stylesheet" href="styles.css">
<link rel="icon" href="icon/favicon.ico">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap" rel="stylesheet">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@200&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.3/css/all.css" integrity="sha384-SZXxX4whJ79/gErwcOYf+zWLeJdY/qpuqC4cAa9rOGUstPomtqpuNWT9wdPEn2fk" crossorigin="anonymous">
<meta charset="utf-8">
<title>Operating Systems</title>
<script>
alert("Hide the bookmarks bar for better experience. Ctrl + Shift + B on Windows OR Cmd + Shift + B on Mac");
</script>
</head>
<body>
<div class="main">
<div class="title">
<center><h1>Operating Systems</h1></center>
<div class="button1">
<a href="#what">
<center>
<button class="button-down">
<h1 class="icon-down"><i class="fas fa-caret-down"></i></h1>
</button>
</center>
</a>
</div>
</div>
<div class="section1" id="what" style="padding-top: 4%;">
<div class="element1">
<div class="about">
<h2 class="text">What is an Operating System ?</h2><br>
<p class="text">An operating system (OS) is system software that manages computer hardware, <br>software resources,
and provides common services for computer programs.<br>
Operating systems are found on many devices that contain a computer – <br>from cellular phones and video game consoles
to web servers and supercomputers.<br>
Some operating systems require installation or <br>may come pre-installed with purchased computers (OEM-installation), whereas others
may run directly from media (i.e. live cd) or flash memory (i.e. USB stick).</p>
</div>
</div>
</div>
<div class="element2"><h1 class="text"><i class="fas fa-desktop"></i></h1></div>
<div class="button2">
<a href="#ui">
<center>
<button class="button-down">
<h1 style="opacity:75%;">
<i class="fas fa-caret-down"></i>
</h1>
</button>
</center>
</a>
</div>
<div>
<div class="element3" id="ui">
<div class="user-interface">
<div class="element4">
<div class="types">
<p class="text"><b>
The two most common forms of a user interface have historically been the command-line interface,
where computer commands are typed out line-by-line, and the graphical user interface,
where a visual environment (most commonly a WIMP) is present.</b>
</p>
</div>
</div>
<h2 class="text">User Interface</h2>
<p class="text">Every computer that is to be operated by an individual requires a user interface.
The user interface is usually referred to as a shell and is essential if human interaction is to be supported.
The user interface views the directory structure and requests services from the operating system that will acquire data
from input hardware devices and requests operating system services to display prompts, status messages and such on output hardware devices.</p>
<div class="button3">
<a href="#os">
<center>
<button class="button-down" style="opacity:75%;">
<h1><i class="fas fa-caret-down"></i></h1>
</button>
</center>
</a>
</div>
</div>
</div>
<div class="container" id="os">
<div class="card">
<div class="box">
<div class="content">
<h3>Windows</h3>
<h1 style="font-size:75px; color:white; opacity:60%;"><i class="fab fa-windows"></i></h1>
<a href="pages/windows/index.html">
<center>
<button class="button-os">
<p>
Read More <i class="fas fa-plus"></i>
</p>
</button>
</center>
</a>
</div>
</div>
</div>
<div class="card">
<div class="box">
<div class="content">
<h3>macOS</h3>
<h1 style="font-size:75px; color:white; opacity:60%;"><i class="fab fa-apple"></i></h1>
<a href="pages/macos/index.html">
<center>
<button class="button-os">
<p>
Read More <i class="fas fa-plus"></i>
</p>
</button>
</center>
</a>
</div>
</div>
</div>
<div class="card">
<div class="box">
<div class="content">
<h3>Linux</h3>
<h1 style="font-size:75px; color:white; opacity:60%;"><i class="fab fa-linux"></i></h1>
<a href="pages/linux/index.html">
<center>
<button class="button-os">
<p>
Read More <i class="fas fa-plus"></i>
</p>
</button>
</center>
</a>
</div>
</div>
</div>
</div>
</div>
</body>
</html>