Option -A: Open your terminal and simply type 'sudo' without a quote and press enter. You can check whether the packages are available or not in the system by using the following commands from the given options: # It means only the given user can execute all the commands like rootīy default, all Linux distros come with a pre-installed package of sudo. # It means all the users that belong to the wheel group can execute all the commands like root # Allows people in the group wheel to run all commands # It means all the users with the root privilege can execute all the commands like root # Allow root to run any commands anywhere Following are the three different entries in the sudoers file that give you the privilege to use sudo prefix. In Redhat, CentOS, and Fedora, the sudo group name is "wheel", which is mostly enabled by default if not, it can be edited the /etc/sudoers file using the 'visudo' command in the Terminal, or directly using vi or vim. ![]() In most Linux distributions, sudo privilege can be granted simply by adding a user to the sudo group. Hence, it is always recommended to use a normal account with sudo privilege instead of root, since we know that sudo has some extra security checks, such as asking for the user's password prior to executing any administrative commands. As a result, it is better to avoid using root accounts, except in the very specific cases where they are explicitly required. The simplest mistake when you are running a command can easily destroy the whole system without any scope for recovery except for re-installation. The use of a root account is quite dangerous in the day-to-day course of action, since it has full privileges to perform any actions.
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