It can command with authority and in the progress, which also covers system-wide changes. The root password is an authentication precedent that prevents the users from accessing the root user account unless they give the correct password. Having the root password provides an individual with root access to the system, whereby control over many matters in the system can be gained. But root password protection is very critical since, in case of compromise, the user can gain full access and also make unauthorized changes to the operating system.