Switching users and Running Commands as others

Question 1

To change user ID or become super user use this command:

Answer 1

su [username]

Question 2

this su option is used to provide an environment similar to what the user would expect had the user logged in directly.

Answer 2

a hypen “ - “

Question 3

this su option specifies a command to be executed

Answer 3

-c command

Question 4

to find out what user is that you’re working as type:

Answer 4

whoami

Question 5

To execute a command as another user, typically the super user, used to install, start, stop, and execute. It is different from the “su” command where you don’t need to know the other user’s password, it will prompt you for yours.

Answer 5

sudo

Question 6

this sudo command lists all available commands:

Answer 6

sudo -l

Question 7

this sudo command runs a command as root

Answer 7

sudo command

Question 8

this sudo command also runs a command as root

Answer 8

sudo -u root command

Question 9

this sudo command runs a command as user

Answer 9

sudo -u user command

Question 10

this sudo command switches to the superuser account

Answer 10

sudo su

Question 11

this sudo command switches to the superuser account with root’s environment

Answer 11

sudo su -

Question 12

this sudo command switches to the username account

Answer 12

sudo su - username

Question 13

this sudo command starts a shell prompt

Answer 13

sudo -s

Question 14

this sudo command also starts a shell prompt

Answer 14

sudo -u root -s

Question 15

this sudo command starts a shell as user

Answer 15

sudo -u user -s