How to Add Users in Linux From the KDE Plasma Desktop

Use the System Settings tool or the shell prompt to add new accounts

Linux is a multi-user environment, and you can have as many users on a system as you need. Each logs into their secure account and enjoys access to all installed applications. When you first install Linux, you create a single user that you log in with. Then, to add more users, choose one of two ways to add additional accounts on a distribution with KDE Plasma.

Instructions in this article apply to the KDE Neon distribution with KDE Plasma 5.15. The version of KDE Plasma you use doesn't affect this process.

The GUI Method

Use the System Settings tool within KDE Plasma to modify users:

  1. Click the KDE Plasma menu button.

    KDE Plasma menu button on Linux desktop
  2. Click System Settings.

    Screenshot of the KDE Plasma menu.
  3. Click Account Details.

    Screenshot of the Account Details entry in Settings.
  4. Click User Manager.

    Screenshot of the User Manager entry.
  5. In the resulting window, click +.

    Screenshot of the + button.
  6. Fill out the details for the user (such as their username, real name, email address, and password).

    Screenshot of the user information entry area.
  7. If the user needs administrator access (for example, to be added to the sudoers file), select the Enable administrator privileges for this user check box.

    Screenshot of the Enable administator privileges checkbox.
  8. Click Apply.

    Screenshot of the Apply button.
  9. Close the System Settings window.

At this point, you can log out of KDE and log in with the newly created user.

The Command Line Method

To add a new user with the command line:

  1. Click the KDE Plasma menu button.

    KDE Plasma menu button on Linux desktop
  2. Click Terminal.

    Screenshot of the Terminal entry in the KDE Plasma menu.
  3. In the terminal window, enter the command:

    sudo adduser USERNAME

    USERNAME is the name of the new user to be added. When prompted, type your superuser (sudo) password.

  4. When prompted, enter and verify a password for the new user and then answer the questions. These questions are optional, but you should, at a minimum, fill out the Full Name option.

    Screenshot of adding a usr with the adduser command.
  5. Type Y to save the information.

Once again, you've added a new user to your Linux machine. You can log out of the current user and log into the newly created user.

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