A newly hired technician was being helped on the phone by a senior technician who told the junior technician that the first thing to do from a prompt using the Linux Terminal was to use the ls $-$a command. Why would the senior technician want the junior technician to do this?

Group of answer choices

To see a list of only the directories that start with the letter a

To see if any of the files have been archived

To show if any files had the read$-$only attribute

To see if there were any hidden files or directories