https://meerstory.com/en/tags/linux-file-view/Recent content in Linux File View on MeerStoryHugoen-usSat, 29 Aug 2026 07:14:59 +0900https://meerstory.com/en/ubuntu/20260829_071443_3_cat_cat/Sat, 29 Aug 2026 07:14:59 +0900https://meerstory.com/en/ubuntu/20260829_071443_3_cat_cat/<h2 id="overview">Overview</h2> <p>This guide covers everything from the basics to practical applications of the <code>cat</code> command, one of the most widely used commands in Linux and Ubuntu terminals. Beyond simply displaying file contents, we introduce features such as displaying line numbers, visualizing whitespace/non-printing characters, file concatenation, and creating files using EOF (Heredoc) along with practical examples.</p> <h2 id="1-basic-usage-of-cat-command-and-instantly-viewing-text-file-contents">1. Basic Usage of cat Command and Instantly Viewing Text File Contents</h2> <p>Run the command <code>echo &quot;Hello Ubuntu 24.04 LTS World!&quot; &gt; sample.txt</code> to create a sample text file to be used for practicing the <code>cat</code> command.</p>