How can we operate as root user in the command line environment of Linux operating system in order to install or upgrade a new program?
First of all you will have to open the root terminal in order to perform the above-listed task.
Open the root terminal as follows:
Right-click and select “Open in Terminal”.
Let’s take an example of installing the GIT repository.
You will always have to add ‘sudo’ before the ‘apt install’ command. It will ask for your computer password. Doing so will eliminate the problem and error messages of ‘not a root user’ or ‘permission denied’.
