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                          COMMAND                       

GO

 su

 SYNTAX

           su  [ - ]  [name [ arg]]

 FUNCTION

           su lets one to become a superuser

           or another user without logging off.

 REMARKS

           su without an argument will log you in as root.

           su with the - name argument will create

           the entire environment of the other user as well as giving

           you their privileges.

 Let us look at the mechanics of the su command.

 To assume the privileges and the environment of

 the user paul the su command would be:

               su  -  paul

 if you were not superuser when you executed the command and

 if Paul had a password you'd be prompted for it.

 If you want to have root privileges, type su and 

 wait for the password prompt.  If there are several people that 

 use your system, you should have a password for the superuser.

 Let try the su command...

ACC1

 What is the command to assume the privileges 

 and the environment of the user mdcti

 whose password is surprise?

 $ 

 That is correct!

 You've got it on the 2nd try.

 Good, you understand the concept.

 Please type su - mdcti

 Please type su - mdcti

 I guess I must type this for you:

 $ 

FORGET1

 $ su - mdcti                      

 Password: 

??? this match isn't accepted

 That is correct!

 You've got it on the 2nd try.

 Good, you understand the concept.

 Please type surprise

 I will help you this time.

 T(#COUNT2 < 2): Sorry

 Sorry

FORGET2

 $ su - mdcti                      

 Observe the result on the terminal!

 $