sudo

For the last several weeks I have been setting up and learning a system that does the same as under Vista, a few things more with less hassle.

The system does not let me log on as root and I am forced to either SUDO or SU. As an experiment I created an administrative account, thinking it would give me the same access level as root. Obviously not. So I deleted the administrative account but since then sudo does not work. I get an error invalid password. When typing sudo <command>, I get a prompt <deleted user> Password:

neither the deleted user password nor the root password I had set up works. I don't recall how I have deleted the administrative account. I was satisfied that the username did not show anymore when logging in at start up. It was only a couple of days later that I noticed that I could not power off the system but that it went in hibernation. A couple of "forced" shut downs and reboots corrected this problem but sudo still does not work.

The su command still works.

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