Unlock the power of advanced regular expressions in sed, grep, and vim with this comprehensive guide. Learn how to use lookahead and lookbehind assertions, backreferences, conditional statements, non-capturing groups, and atomic groups to enhance your text search and manipulation skills.... Read More

Master the ffmpeg command with this comprehensive guide, covering basic and advanced usage as well as script examples. Learn how to manipulate audio and video files, perform conversions, apply filters, and automate tasks using ffmpeg commands, scripts, and practical examples.... Read More

Linux is a free, open-source operating system that has become increasingly popular in recent years, both for personal and professional use. It is known for its stability, security, and versatility, and is used by millions of people around the world. This article will provide an overview of the Linux operating system, including the different distributions, desktop environments, package managers, and file managers that are available.... Read More

sed (short for stream editor) is a great tool to quickly and efficently edit text files, this article is a full tutorial of how to use sed from a beginner level to an advanced one, I believe that this article will show you some of the magic of sed command... Read More

Learn how to manually order references in LaTeX without using BibTeX. Detailed examples provided for custom citation management... Read More