You work as a System Administrator for McNeil Inc. The company has a Linux-based network. You are a root user on the Linux system. You have installed the Samba package on your system. You want to configure Samba using the graphical interface tool. What should you do to change file access and modification time?
a) Display the status of the file, update the last access and modification times, then display the status again to verify the update.
b) Use the 'touch' command to update the last access and modification times.
c) Use the 'ls' command to display the file status, then use 'chmod' to update the access and modification times.
d) Use the 'mv' command to update the file access and modification time.