IMPORTANT POINTS TO BE NOTED: Sudo stands for either “substitute user do” or “super user do” "root" (aka "superuser") is the name of the system administrator account. Root user has user id 0 and nominally has unlimited privileges. Root can access any file, run any program, execute any system call, and modify any setting. The "sudo" command lets you execute commands with superuser privileges as long as your user id is in the sudoers file, giving you the necessary authorization. Enable Root Login and Set Kali Root Password: Check Login User whoami sudo apt update ...