Linux added

linux-systems.html

@@ -146,7 +146,6 @@ <h1>Mastering Linux: A Comprehensive Guide for Data Enthusiasts</h1>
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             <h4><a href="https://wiki.ubuntuusers.de/Desktop/" target="_blank">UBUNTU</a></h4>
             <strong>About UBUNTU:</strong> Ubuntu is built upon the <a href="https://www.debian.org/" target="_blank">Debian architecture</a>, inheriting its stability and <a href="https://en.wikipedia.org/wiki/List_of_software_package_management_systems" target="_blank">package management system</a>.
             Debian refers to an operating system or distribution that is built upon the Debian Linux distribution. Debian is one of the oldest and most influential Linux distributions, known for its commitment to free and open-source software principles. 
@@ -573,7 +572,7 @@ <h3>Chapter-3: Understanding the File System</h3>
         <p>The file system is a crucial component of any operating system. It organizes and manages files and directories, providing a structured way to store and retrieve data. Here are some fundamental concepts:</p>
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+            <figcaption style="text-align: center;"><strong>Image credit:</strong><a href="index.html"> Arun Kumar Pandey</a> </figcaption>
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             <li><strong>Directory Structure</strong></li>