6. a) List the typical content of sub-directories of the root di- rectory '/': /bin, /boot, /dev, /etc, /home, /mnt, /proc, /root, /sbin, and /tmp. b) Give the absolute path for a file called 'project.tex' and which is found in the directory called 'latexdir' in userl's home area. c) What information or service do the following common con- figuration files provide: fstab, hosts, mtab, passwd? d) Give the system name in /dev) of the following devices: CD drive, printer, mouse and SATA disc drive. e) Give the commands for: i) moving a file or directory interactively ii) removing a file interactively iii) copying a file with its current permissions