You have created a long letter and after you are done you notice that you used the name “Bob” many times
but you forgot to capitalize it in many instances. Which command would replace “bob” with “Bob” in all
instances and generate a new letter for printing?

A.
sed ‘/bob/Bob’ letter >newletter

B.
sed s/bob/Bob/ letter <newletter

C.
sed ‘s/bob/Bob’ letter >newletter

D.
sed ‘s/bob/Bob/g’ letter >newletter

E.
sed ‘s/bob, Bob/’ letter >newletter