Which user account has full control over a Linux operating system? In Linux and Unix-like systems, the superuser account, called ‘root’, is virtually omnipotent, with unrestricted access to all commands, files, directories, and resources. Root can also grant and remove any permissions for other users.
What is the all powerful account in Linux? In Linux, an all-powerful account that is used only when absolutely necessary to do advanced tasks. Ubuntu Linux comes with this account disabled in such a way that no one can log in directly with the account, but there is a way to use it temporarily whenever you need it for tasks, such as creating or deleting users.
Where are user groups in Linux? On Linux, group information is held in the /etc/group file. You can use commands to create a group, add a user to a group, display a list of the users who are in the group, and remove a user from a group.
What is user and user group in Linux? Let’s start by talking about the ownership of Linux files. User: the owner of the file (person who created the file). Group: the group can contain multiple users. Therefore, all users in that group will have the same permissions. It makes things easier than assign permission for every user you want.