On Sun, Feb 28, 2010 at 11:52 AM, Denis Dupeyron <[email protected]> wrote: > On Sun, Feb 28, 2010 at 12:20 PM, William Hubbs <[email protected]> wrote: >> I am starting this thread because I don't understand why people are >> using sudo and su together. They are completely separate utilities that >> do the same thing. AFAIK, it should be either "sudo -i" or "su -", but >> not "sudo su -" which I have seen quite often. "sudo su -" is redundant >> because "su -" does the same thing as "sudo -i". >> >> "sudo -s", afaik, gives you a root shell but does not clear >> out the environment first. >> >> Am I completely missing something? > > Some systems are configured with a random root password. After a while > you get tired of doing 'sudo <command>' all the time and would like to > become root but you can't because you don't know the root password. > One way around that is 'sudo su -' which allows to become root using > your user password.
Try "sudo -s" or "sudo -i" if you want sudo to clean your environment. > > Denis. > >
