Which of the following commands replaces each occurrence of ‘bob’ in the file letter with ‘Bob’ and writes the
result to the file newletter?

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