root password

Shawn McCuan smccuan at
Wed Aug 22 11:11:29 UTC 2007

Whats the difference between sudo -i, and just doing a "sudo su"? (This is a 
stupid question that I'm only asking because Im not at my ubuntu box.)

----- Original Message ----- 
From: "Adam Funk" <a24061 at>
To: <ubuntu-users at>
Sent: Wednesday, August 22, 2007 6:35 AM
Subject: Re: root password

> On 2007-08-21, Derek Broughton wrote:
>>> Looking at man su, I don't see a -i option --- was that a typo for -l
>>> and is that what's so funny?
>> Precisely.  Someone recommended the OP do "sudo su -i" - but that won't
>> work, because -i is a sudo option, not a su option.
>> "sudo -i" is the "proper" way to get a root login.
> (Looking at man sudo again) I see.  Is it fair to say that `sudo -s`
> is the sudo-equivalent (so to speak) of `su`, whereas `sudo -i` is the
> sudo-equivalent of `su -`?
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