Linux

Emacs editor is one of the oldest and most versatile text editors available for Linux UNIX-based systems. It has been around for over 20 years. It is known for its powerful and rich editing features. Emacs offers amazing editing features like that of Vim editor and is as user-friendly as the nano editor. You won’t have to enter insertion mode to […]

Peek is an animated GIF recorder that makes it easy to create short screencasts of a screen area. In this article, let’s learn how to install peek on Linux and record your first gif. GIF is short for Graphics Interchange Format. It is a lossless format for image files that supports both animated and static

Nano is a user friendly text editor available on Linux. It is easy to learn as compared to other text editors such as vim and emacs. Nano is a  modeless, WYSIWYG command-line text editor. Modeless means that it doesn’t have modes like Vim editor and WYSIWYG means What You See Is What You Get. Beginner’s

If you have installed software on your Linux system using the terminal then you must have come across apt-get install. This tutorial will explain what the command means and what’s the right way to use it. Let’s get started. What is apt? Apt stands for “Advanced Packaging Tool”. It is a package manager that is

Linux, a freely distributable version of UNIX is developed by Linus Torvalds. Linux is one of the most popular operating systems to use for development by programmers. This tutorial will take a deep dive into the history of Linux. The beginning of the UNIX project The inspiration for UNIX came from the Multics project at

In this article, we’ll learn to set the JAVA_HOME variable in Linux. JAVA_HOME should be correctly set on your system in order for you to be able to run Java programs successfully. In case there is an error, you will get the following error : To avoid getting this error you will have to set

The help command is the simplest way to get information regarding a built-in shell command. It helps you fetch information from the shell’s internal documentation. It takes a text string as the command line argument and looks for the provided string in the shell’s documents. This saves you the time spent in going through the

The tree command recursively lists directories and files in Linux. Files are listed in an indented manner under their directories. Tree command is similar to ls command which is famously known for listing files and directories. The only difference is that tree command outputs the files and directories in a tree-like manner. This command is

In this tutorial, we will learn how we can run C programs in Linux. C language was developed at Bell Laboratories in 1972 by Dennis Ritchie. It is still very popular for system-level programming. C language is the mother language of many other languages. In fact, Unix is one of the first operating system kernels that

In this article, we’ll learn to install cmake on Linux. CMake is a cross-platform open-source meta-build system that can build, test, and package software. It can be used to support multiple native build environments including make in Linux/Unix, Apple’s Xcode, and Microsoft Visual Studio. How to Install CMake on Linux? If you are to work with