A./etc/hosts B./etc/netmasks C./etc/default/login D./home/stp/cshrc
A./etc/system B./var/adm/messages C./etc/default D./var/system
A.mount -F HS -ro /dev/cd0 /cdrom B.mount -f NFS -ro /dev/cd0 /cdrom C.mount -r /dev/cd0 /cdrom D.mount -f /dev/cd0 /cdrom