Linux Administration Bootcamp: Go from Beginner to Advanced - Switching Users and Running Commands as Others

The video tutorial explains how to run commands and programs as other users using the DU, SU, and sudo commands. It covers the use of environment variables, the differences between SU and sudo, and how to configure sudo permissions using the sudoers file. The tutorial also highlights the advantages of using sudo over SU, such as not needing the other user's password, and provides examples of switching users and executing commands with elevated privileges.

What is the default user account assumed when using the 'su' command without any arguments?

• Admin

• Guest

• Root

• Oracle

How can you check which user account you are currently using?

• By using the 'who am I' command

• By using the 'current user' command

• By using the 'user check' command

• By using the 'account status' command

What happens to environment variables when you switch to another user using 'su' with a dash?

• They are discarded unless specified

• They are always retained

• They are always discarded

• They are retained only if specified

What is one advantage of using 'sudo' over 'su'?

• It does not require the other user's password

• It allows running commands without any password

• It can only be used by the root user

• It requires the other user's password

How can you view the commands available for you to run with 'sudo'?

• By using 'sudo -commands'

• By using 'sudo -L'

• By using 'sudo -show'

• By using 'sudo -list'

What is the purpose of the 'visudo' command?

• To create a new sudoers file

• To view the sudoers file

• To edit the sudoers file safely

• To delete the sudoers file

In the 'sudoers' file, what does the user listed in parentheses represent?

• The user who created the file

• The user that the commands will run as

• The user who can view the file

• The user who can edit the file