https://prakush.in/Recent content on P R A K U S HHugo -- gohugo.ioen© 2026 Prakush RamThu, 18 Jun 2026 22:33:03 +0530https://prakush.in/posts/sql/Thu, 18 Jun 2026 22:33:03 +0530https://prakush.in/posts/sql/<h1 class="relative group">What is SQL? <div id="what-is-sql" 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-sql" aria-label="Anchor">#</a> </span> </h1> <p>SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users query, manipulate, and transform data from a relational database. And due to its simplicity, SQL databases provide safe and scalable storage for millions of websites and mobile applications.</p> <blockquote><p><strong>Did you know?</strong> There are many popular SQL databases including SQLite, MySQL, Postgres, Oracle and Microsoft SQL Server. All of them support the common SQL language standard, which is what this site will be teaching, but each implementation can differ in the additional features and storage types it supports.</p>https://prakush.in/posts/linux-commands/Wed, 03 Jun 2026 20:11:01 +0530https://prakush.in/posts/linux-commands/<h1 class="relative group">linux fundamentals from <code>scratch</code>… <div id="linux-fundamentals-from-scratch" 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="#linux-fundamentals-from-scratch" aria-label="Anchor">#</a> </span> </h1> <h2 class="relative group">1. Opening and Closing the Terminal <div id="1-opening-and-closing-the-terminal" 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-opening-and-closing-the-terminal" aria-label="Anchor">#</a> </span> </h2> <p>open : <code>Ctrl+alt+t</code> close: <code>Ctrl+d</code></p> <h2 class="relative group">2. Basic Commands <div id="2-basic-commands" 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="#2-basic-commands" aria-label="Anchor">#</a> </span> </h2> <p><code>echo</code> : returns command line arguments to standard output. <code>date</code> : show the current date and time <code>cal</code> : show the calendar <code>cat</code> : read and write files <code>cut</code> : divided into blocks and gives u fields <code>grep</code> : grep the content from the file <code>cd</code> : change directories <code>ls</code> : list files and directories <code>man</code> : man command is use for finding man pages. <code>apropos</code>: to finding man pages or commands.</p>https://prakush.in/posts/vim/Wed, 03 Jun 2026 20:11:01 +0530https://prakush.in/posts/vim/<h3 class="relative group">cursore movment and file savings <div id="cursore-movment-and-file-savings" 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="#cursore-movment-and-file-savings" aria-label="Anchor">#</a> </span> </h3> <ol> <li>The cursor is moved using either the arrow keys or the h j k l keys. <br> - h (left) <br> - j (down) <br> - k (up) <br> - l (right)</li> </ol> <p>To start Vim from the shell prompt type: vim FILENAME <ENTER> <br> To exit Vim type: <ESC> :q! <ENTER> to trash all changes. <br> To delete the character at the cursor type: x</p>