Do they refer to the same thing or is root just a location in filesystem (its ultimate base) and superuser a privileged user (sort of equivalent of windows administrator account) ? Do they need the same password ? Is superuser the kernel itself?
Answers:
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Method 1
‘root’ is traditionally the name given to the user account with superuser level rights. In this respect they are one and the same, though there is no rule that I know of that says that the superuser account must be called root.
It may be that the account was named ‘root’ due in part to the fact that only the superuser has write permission to the root directory (/)
The Windows Administrator account is not analogous to the Unix superuser account since there are restrictions on what a Windows Administrator can do. The analog to root on Windows NT based OSes is the SYSTEM account, which cannot be used by an interactive user.
Method 2
/ is the top level directory in linux.All the subdirectories is under the /.
the /root is default home directory of root user.
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