visudo:tldr:b3f9b

The sudo visudo command is used to edit the sudoers file, which is a configuration file that determines the privileges and permissions of users who can use the sudo command in a Unix-like operating system.

Here's a breakdown of the command:

• sudo: The sudo command stands for "Super User DO" and is used to execute commands with elevated privileges. It allows a user to execute commands as the superuser or another specified user, generally after providing their password.

• visudo: The visudo command is a utility used to edit the sudoers file with appropriate syntax checking. It ensures that the sudoers file is correctly formatted and prevents any errors that could potentially lock you out of the system.

By running sudo visudo, the command opens the sudoers file in a text editor specified in your system's environment variable (usually using the default text editor vi or vim). You can make changes to the file according to the specific requirements of your system's sudo configuration. Once you save and exit the editor, the sudoers file will be updated with your changes, granting or revoking privileges as necessary.