Jayant Verma

When working on Linux, knowing how to create files from the terminal could come in handy. There are multiple ways to create a file in Linux. Let’s go over these one by one. How can you create a file in Linux? Many commands apart from the touch command also serve a secondary purpose of being […]

There can be multiple users on a Linux system. If you want to list all users in Ubuntu, the information is present in the /etc/passwd file. This file stores the list of users on the system along with important information regarding these users. /etc/passwd file is used at the time of login. We can obtain

Today, we’ll go over the steps to add a user to a group in Linux. In Linux users can belong to one or many groups. These groups make it easy to give permissions to a collection of users in one go. Furthermore, users can be added to groups, removed from groups, we can create new

This article is a brief overview of what Sudo nopasswd is and how to run commands on Linux as a sudo user without having to enter your password every time. Sudo (superuser do) command in Linux lets a user run a command as the root by entering your password . However, if you are the

We created this vim tutorial for everyone who ever wanted to start out using this gorgeously complex text editor. One of the fascinating things about being a programmer is the ability to code in the terminal. Programmers who use Vim just love it like anything. Those of you who don’t use Vim will hopefully start

Let’s look at the different ways in which you can merge multiple files in Linux. We’ll majorly use the cat command for this purpose. So let us begin! For the rest of this tutorial we will consider three files. Let’s create these files: We’ll use the cat command to create these files, but you can

There are numerous ways to count the number of lines in a file in Linux. We’ll go over some of the quickest ways to achieve this task and get the line count. Ways to Count the Number of Lines in a File Let’s start with the most common and move to some more uncommon but

The awk command is fundamentally a scripting language and a powerful text manipulation tool in Linux. It is named after its founders Alfred Aho, Peter Weinberger, and Brian Kernighan. Awk is popular because of its ability to process text (strings) as easily as numbers. It scans a sequence of input lines, or records, one by

Sed command is a text editor tool used for editing files, which is command line-based. But what sed is really used for is something called ‘Steam Editing.’ Also! ‘S’ in Sed stands for Stream-oriented, and the ‘ed’ part is for the editor. And now, you are wondering what stream editing is. What is Stream Editing?