Mastering Text Manipulation With the Sed Command

The Linux command line interface provides a wealth of text processing tools, one of the most powerful tools is the sed command. sed is the abbreviation of Stream EDitor, a multi-functional tool that allows complex processing of text files and streams. What is Sed? sed is a non-interactive text editor that operates on pipeline inputs or text files. By providing directives, you can let it modify and process text in a file or stream. The most common use cases of sed include selecting text, replacing text, modifying original files, adding lines to text, or removing lines from text. It can be used from the command line in Bash and other command line shells. Sed command syntax sed

Discover Pilet: A Retro-Futuristic, Open-Source Mini-Computer Looking for a mini-computer that blends classic style with cutting-edge technology? Meet Pilet, a modular, open-source marvel powered by the Raspberry Pi 5. Boasting a 7-hour battery life

Linux: The cornerstone of modern computing, from smartphones to supercomputers, can do everything. Over the years, the size and complexity of the Linux kernel has increased significantly. As of January 2025, the Linux kernel source code contains approximately 40 million lines of code! This is one of the greatest achievements in the history of open source, community-driven projects. This article will discuss the exponential growth of the number of lines in the Linux kernel source code, the reasons and how to check the current number of lines by yourself. Directory -Linux kernel history Count the number of lines of the Linux kernel source code only count C and header files Exponential trend of kernel growth Verify historical Linux kernel lines Summary Linux kernel history Since 1991 Linus Tor

Efficiently Counting Files and Folders in Linux: A Comprehensive Guide Knowing how to quickly count files and directories in Linux is crucial for system administrators and anyone managing large datasets. This guide demonstrates using simple command-l

Efficiently managing user accounts and group memberships is crucial for Linux/Unix system administration. This ensures proper resource and data access control. This tutorial details how to add a user to multiple groups in Linux and Unix systems. We

Liquorix kernel: a powerful tool to improve Linux system performance Linux is known for its flexibility, security and high performance, becoming the operating system of choice for developers, system administrators, and advanced users. However, the universal Linux kernel is not always meeting the needs of users seeking maximum performance and responsiveness. This is where the Liquorix kernel comes into play—a performance-optimized alternative that promises to enhance your Linux system. This article will explore what the Liquorix kernel is, why you might want to use it, and how to install and configure it to get the most out of your system. Liquorix kernel detailed explanation Liquorix kernel is a precompiled Linux kernel designed for

The System76 Meerkat: A Mighty Mini PC Looking for a powerful yet space-saving computer? Meet the Meerkat mini PC from System76! This compact powerhouse is perfect for tidy desktops and demanding tasks. Table of Contents - Compact Design, Impressive

In today's digital age, data is not just information, but also a part of our lives. From photos and documents to sensitive personal information, our data represents our memories, work and interests. Although cloud storage services are widely available, they are often accompanied by privacy concerns, subscription fees, and customization restrictions. That's what building a personal cloud on Ubuntu is about as a powerful alternative, which gives you complete control over your data and the flexibility to customize and scale as needed. This guide will guide you to set up a Ubuntu-based personal cloud, use Nextcloud as the primary application, and ensure your settings are secure and reliable. Why build a personal cloud on Ubuntu? Ubuntu is the most popular Linux