Question 9 6.67 pts Which command will allow you to log in as the root user without knowing the root user's password? sudo su - su - sudo sudo su Question 10 6.67 pts Which operator allows you to redirect standard error to a file, appending to the file if it already exists? 2> 0.07 Given a file named file txt with the following content. AIBICID:EIF,GIH What would the command cut -d '!' -f 4 file.txt output? O DE OC CFG Question 12 6.67 pts Given a file named file txt with the following content. rocecar What would the command cat file.txt 1 tr rc cir output? coreroc cocco racecar rarerar