The compgen command is a very handy tool available in major Linux distributions that can help you find your system aliases, shell built-ins, commands, directories, groups, jobs, users, etc. In this article, you will learn how to use the compgen command with practical examples. Tutorial
The cat command is pretty useful for reading, creating, and concatenating files. While the tac command also works similarly to the cat command, which outputs the last line first. Tutorial Details Description Cat and Tac command Difficulty Level Low Root or Sudo Privileges Maybe OS
It is important for a Linux administrator to find out all the users on their current system so that they can adjust the rules and privileges for each one. In this article, you will learn three ways to display the list of all users on
Symbolic links, sometimes also referred to as “symlinks”, are used to create file pointers pointing towards files and directories identical to Windows shortcuts in a Linux system. In this article, you will learn different types of symbolic links, how to create them, and then how
Emacs is one of the oldest text editors with ongoing development, providing rich and powerful features that can be further extended using plugins. It provides a wide range of functionalities that can be very useful for programmers and Linux administrators while modifying the configuration file.
Vim is popular and my personal favorite text editor in Linux, providing advance features and functionalities comparative to its competitor, the GNU Nano editor. Although you can perform basic file editing using both of these programs, Still, they are slightly different from each other, as
GNU nano is a built-in text editor for major Linux distributions, providing similar options to edit and modify files as its competitors VIM and Emacs. Although, its competitors are way more advanced in count of features and functionalities. However, many users still prefer to use
In UNIX/Linux, su is the most powerful command that allows you to access the root account or another user’s account with their account password. Although you can easily restrict or disable su command access for a specific user with sudo privileges by following the steps
There are tons of reasons to switch to another user’s or the root user’s account; however, there are multiple ways to do so, which you are going to learn today. Tutorial Details Description Different ways to switch user account Difficulty Level Moderate Root or Sudo
If you are a root user and interested in switching to another user account, you can easily do it without requiring to know their password because you are a penguin. However, if you are the user with sudo privileges and are interested in switching to
If you are wondering what the sudo group is, it is the built-in group in Linux that holds the highest privilege after the root user. Any users assigned to this group have the highest authority over the system, including the ability to install, remove, update
In Linux, we have a root user created by the system administrator and normal users, which are also created by the system administrator. However, root user have more privileges than normal user accounts, which is why we suggest letting other people have normal user accounts
