'sudo su -' vs 'sudo -i' vs 'sudo /bin/bash' - when does it matter which is used, or does it matter at all?

Posted by Paul on Ask Ubuntu See other posts from Ask Ubuntu or by Paul
Published on 2013-11-12T23:30:34Z Indexed on 2013/11/13 10:11 UTC
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When I'm doing something that requires root be typed in dozens of times in a row, I prefer to switch my session to a root session. In the various tutorials and instructions I have used on the Internet, I see sudo su, sudo su -, sudo -i and sudo /bin/bash being used to open a root session, but I'm not clear on the difference between these and when or if that difference matters.

Can someone clear this up for me?

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