what is root actually means?

Edmund Laugasson ed.lau at mail.ee
Wed Jun 27 19:34:25 BST 2007

> Kubuntu disables the root user by default.

It seems like root still exist but password is randomly generated during the installation process. 
Just we don't know, what the root's password might be.

But if I use sudo passwd root command, I can easily assign password to user root. If there's root 
disabled, then there should be not possible to assing password to it. So, it seems like root is not 
disabled and I think, that it cannot be disabled. How do you disable root? Perhaps comment out 
appropriate rows in /etc/passwd and /etc/shadow?

> That's why we use sudo to
> execute programs that need administrative access, and sudo -i to
> actually switch to the root user.

I use: su -
But certainly, there's no big difference.

> There literally is NO password for
> root, so while the user exists, the account can NOT be hacked.

Is it really possible, that there's NO password for root? If it is so, then there should be possible 
to log in by just typing root for user name and I am already in! But its known, that it's not 
possible. Therefore I think, that there should be some automatically generated password for root, 
because automatical logon is not possible. But it asks password for user root, if that username is 
entered. It means, that root is active but we just don't know the password.

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