https://hemanth7040.github.io/categories/linux/Recent content in Linux on Hemanth Kumar MotukuriHugo -- gohugo.ioen© 2026 Hemanth Kumar MotukuriSun, 12 Apr 2026 00:00:00 +0000https://hemanth7040.github.io/posts/linux/linux-fundamentals/Sun, 12 Apr 2026 00:00:00 +0000https://hemanth7040.github.io/posts/linux/linux-fundamentals/<h2 class="relative group">What is Linux? <div id="what-is-linux" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#what-is-linux" aria-label="Anchor">#</a> </span> </h2> <p>Linux is a <strong>free, open-source, Unix-like operating system kernel</strong> created by Linus Torvalds in 1991. At its core, the Linux kernel manages the hardware resources of a computer — CPU scheduling, memory allocation, device drivers, and I/O — and provides a foundation for software running above it.</p> <p>When most people say &ldquo;Linux&rdquo;, they mean a complete <strong>Linux distribution (distro)</strong>: the kernel bundled with the GNU userland tools, a package manager, a shell (bash/zsh), and various software. Popular distros include:</p>https://hemanth7040.github.io/posts/linux/linux-commands/Tue, 02 Jan 2024 00:00:00 +0000https://hemanth7040.github.io/posts/linux/linux-commands/<blockquote><p>Every command below is explained in plain English. If you are new to Linux, read the &ldquo;What this does&rdquo; section under each command — don&rsquo;t just memorize the syntax, understand <strong>why</strong> you are running it.</p> </blockquote><hr> <h2 class="relative group">How to Read Command Syntax <div id="how-to-read-command-syntax" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#how-to-read-command-syntax" aria-label="Anchor">#</a> </span> </h2> <p>Before we start, here is how to read the examples in this guide:</p> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">command -flag argument </span></span><span class="line"><span class="cl"> | | | </span></span><span class="line"><span class="cl"> | | What you operate on (a file, a name, a path) </span></span><span class="line"><span class="cl"> | Modifies how the command behaves </span></span><span class="line"><span class="cl">The program you are running</span></span></code></pre></div></div> <ul> <li>A <code>-</code> followed by a single letter is a <strong>short flag</strong>: <code>-l</code>, <code>-a</code>, <code>-h</code></li> <li><code>--</code> followed by a word is a <strong>long flag</strong>: <code>--all</code>, <code>--follow</code>, <code>--namespace</code></li> <li>You can combine short flags: <code>-lah</code> is the same as <code>-l -a -h</code></li> <li>Words in <code>&lt;angle brackets&gt;</code> are placeholders — replace them with your actual value</li> </ul> <hr> <h2 class="relative group">1. File &amp; Directory Management <div id="1-file--directory-management" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1-file--directory-management" aria-label="Anchor">#</a> </span> </h2> <p>These are the commands you will use every single day. Master these first.</p>