Sunday) at 9 pm?
A.0 9 * * 1-5 mail root < /usr/adm/messages
B.0 9 * * * mail root < /usr/adm/messages
C.0 21 * * 1-5 mail root < /usr/adm/messages
D.0 21 * * * mail root < /usr/adm/messages
Answer:C
Sunday) at 9 pm?
A.0 9 * * 1-5 mail root < /usr/adm/messages B.0 9 * * * mail root < /usr/adm/messages C.0 21 * * 1-5 mail root < /usr/adm/messages D.0 21 * * * mail root < /usr/adm/messages