What does su - `whoami` command do?

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                          I am running a script in my project and I see this command

    su - whoami

I am having a few basic questions:

1. What does this command do ?
2. What is the significance of `` quotes outside the whoami command ?
3. What is - used for ?

I know su stands for switch user.

Asked by Sachin Jain (153 rep)

Jul 25, 2014, 09:23 AM
Last activity: Jul 25, 2014, 08:39 PM

What does su - `whoami` command do?

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