Linux is a free and open-source operating system that is widely used in modern computing systems. It has a rich set of features that make it one of most popular operating systems in world. One such feature is use of swap space. Swap space is a part of Linux file ... Read More

Introduction Linux is a powerful operating system that provides users with a command-line interface to perform various tasks. One of essential tools in Linux is sudo command. sudo command allows users to execute commands as a superuser or another user with elevated privileges. This article will explore sudo command in ... Read More

Introduction When it comes to programming, there are numerous occasions when we need to execute multiple commands and take input or output from a single command. In such cases, sending output of a command to multiple commands becomes an essential task. Sending stdout to multiple commands is one of most ... Read More

Introduction Bash scripting is a powerful way of automating repetitive tasks and executing complex commands with a single script. With increasing popularity of web-based technologies, it's now possible to execute Bash scripts directly from a URL. This opens up a whole new world of possibilities for web developers and system ... Read More

Introduction Environment variables are crucial for functioning of an operating system. They are used to store information about system's environment, such as system paths, user preferences, and application settings. In Linux, managing environment variables is an essential task that can be easily done using command-line tools. In this article, we ... Read More

When working with datasets, it's important to understand characteristics of data. One of most fundamental aspects of a dataset is its central tendency - point around which data tends to cluster. This can be quantified in a number of ways, including minimum, maximum, median, and mean. In this article, we'll ... Read More

Docker is a widely popular open-source tool that simplifies process of creating, deploying, and running applications within containers. Alpine, on other hand, is a lightweight Linux distribution that is optimized for Docker containers, making it a perfect choice for those who want to keep their images small and efficient. In ... Read More

Linux is a powerful and versatile operating system that has gained immense popularity in computing world. One of most useful features of Linux is ability to combine and execute multiple commands at once, which can significantly improve your productivity and efficiency. In this article, we will discuss various techniques for ... Read More

Introduction In world of Unix and Linux, Bourne shell is a popular and widely used command-line interface for interacting with operating system. One of most powerful features of Bourne shell is command substitution, which allows you to use output of one command as input for another. This article will explore ... Read More

When working with a Unix-based operating system such as Linux or macOS, it is common to encounter situations where a process becomes unresponsive or needs to be terminated for some reason. Fortunately, there are several command-line utilities available that allow users to end processes in a variety of ways. In ... Read More