Jean-Marc <jean-m...@6jf.be> writes:

> Michael <jm...@jagmail.southalabama.edu> wrote:

>> Is there any (significant) difference between editing (adding a user to) 
>> the  _/etc/sudoers_ file and adding a person to the _admin group?_  Am I 
>> comparing apples and oranges?

> Usually, groups are used on GNU/Linux for access control, to control access 
> to the files, directories, and peripherals.  So, being in the admin group 
> will allow users to get access to the files having admin as group.
>
> /etc/sudoers determines a user's sudo privileges.  Privileges do not always 
> mean getting root privileges.
>
> It is not the same thing, indeed.

See also
http://www.debian.org/doc/manuals/securing-debian-howto/ch12.en.html#s12.1.12.1
for an explanation of each group on Debian (distros vary).

sudoers controls who can run what with sudo; groups grant access (not
root access) to certain files with permissions for that group.

--Aidan


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