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The Linux operating system is just a grouping of files. Every command we run tells the files to group them to complete the work. Every Linux system has its own root user and there's only one. The root user also known as a superuser or The Administrator is the most powerful user of all the users in the system. To get permission to perform the tasks of an administrator as a root user we need to use the keyword 'superuser' to do the tasks again, which again says that doing that is in the same way.