139 lines
4.3 KiB
HTML
139 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="description" content="MontaukOS User's Manual">
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<title>Lua Hello World - MontaukOS Tutorials</title>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap" rel="stylesheet">
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<style>
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body {
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font-family: 'Open Sans', Arial, sans-serif;
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max-width: 960px;
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margin: 0 auto;
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padding: 1em;
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line-height: 1.5;
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p { margin: 0 0 0.5em; }
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h2 { margin: 0.5em 0; }
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<body>
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<div class="sidebar">
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<ul>
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<li><a href="../index.html">Home</a></li>
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<li><a href="../index.html">Documentation</a></li>
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</ul>
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<hr>
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<ul>
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<li><a href="index.html" class="current">User's Manual</a></li>
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</ul>
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</div>
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<div class="main">
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<div class="center">
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<h2>Writing and running a "Hello, World" program in Lua</h2>
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</div>
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<hr>
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<p>This tutorial explains how to create and run a simple program in the Lua programming language on MontaukOS.</p>
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<hr><ol>
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<li>Open the Text Editor by navigating to the 'Applications' section in the app menu.</li>
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<blockquote><strong>Did you know?</strong> The MontaukOS Text Editor provides syntax highlighting for C and Lua files.</blockquote>
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<li>Type:
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<blockquote><code>print("Hello, World!")</code></blockquote>
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into the Text Editor window. This code outputs the string "Hello, World!" to the Terminal.</li><br>
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<blockquote>
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<img src="images/texteditor-lua.png" alt="">
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</blockquote>
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<li>Click the Save (floppy disk) button on the top panel. Choose a directory to save your code in - for example, your Home folder - give the program a name ending in <i>.lua</i>, and click 'Save'.</li>
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<br><li>Open the Terminal app by navigating to the 'Applications' section in the app menu. You should see something like this appear on your screen:
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<blockquote><pre>
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MontaukOS
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Copyright (c) 2025-2026 Montauk Operating System Project
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Logged in as admin
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Type 'help' for available commands.
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0:/users/admin>
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</pre>
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</blockquote>
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</li>
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<li>If you saved your program somewhere other than your Home directory, switch to the directory in which you saved your program using the <i>cd</i> command. For example, <code>cd Documents</code>.</li>
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<br><li>Type '<code>lua </code>' followed by your program's name, and then press enter. For example, '<code>lua hello.lua</code>'.</li>
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<br><li>You should see "Hello, World!" displayed in the Terminal window. Congratulations!</li>
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<br>
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<img src="images/terminal-lua.png" alt="">
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</ol>
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<hr>
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<h3>Beware!</h3>
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<p>The Lua implementation on MontaukOS currently has known issues. For example, floating point calculations do not work.</p>
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<hr>
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<div class="center">
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<a href="../index.html">Back to Documentation Index</a>
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