Linux Tactic

Sudo: The Key to Unlocking Linux’s Full Potential

Creating and

Using Sudo on Your Linux System

Linux is an operating system that is known for its security, stability, and flexibility. One of the key ways in which it provides this security is through the use of sudo, a command-line tool that allows users to run administrative commands with elevated privileges.

This article covers two main topics related to sudo: creating a sudo user and using sudo.

Creating a Sudo User

The first step in creating a sudo user is to add a new user account. To do this, you will use the “adduser” command followed by the desired username.

For example, to add a user named “bob,” you would enter:

sudo adduser bob

Once you have created the new user account, you will need to add the user to the sudo group. This is done using the “usermod” command with the “-aG” flag to add the user to the group.

For example, to add bob to the sudo group, you would enter:

sudo usermod -aG sudo bob

Finally, you’ll want to test that the new user has sudo access. To do this, you can use the “sudo whoami” command.

This command will return the name of the user that is currently running the command. If the new user is able to run this command without any errors, they have successfully been granted sudo access.

Using Sudo

Now that you have a user with sudo access, it’s time to learn how to use it. The sudo command is used to run a command with elevated privileges.

This is often necessary for performing tasks that require administrative access, such as installing new software or configuring system settings. The syntax for using sudo is simple: you just need to prefix the command with “sudo.” For example, to run the “ls” command with elevated privileges, you would enter:

sudo ls

When you run a command with sudo, you may be prompted to enter your password. This is a security feature to ensure that only authorized users are able to run administrative commands.

Once you have entered your password, the command will run with the elevated privileges granted by sudo. It’s important to note that you should use sudo with caution.

Running administrative commands without fully understanding what they do can cause serious damage to your system. It’s also important to avoid running commands as the root user, as this can be even more dangerous.

Always make sure to read the documentation for any commands you run with sudo, and only run them if you are sure they are safe and necessary.


Sudo is a powerful tool that allows users to run administrative commands with elevated privileges. By creating a sudo user and learning how to use the sudo command, you can perform tasks on your Linux system that would otherwise be impossible without administrative access.

Just remember to use caution when running administrative commands, and to always read the documentation before running any new command with sudo. This article highlights the significance of sudo command on Linux system.

It describes two major topics related to sudo, including how to create a sudo user and how to use sudo. The article highlights that sudo is a powerful tool that allows users to perform administrative tasks that would otherwise be impossible without proper permissions.

Readers are advised to use caution and always read the documentation for any commands they plan on running with sudo. Overall, this article emphasizes the importance of using sudo correctly and safely to improve your Linux system’s security, stability, and flexibility.

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