Which command copies the contents of the directory /etc/, including all sub-directories, to /root/?
A. copy /etc /root
B. cp -r /etc/* /root
C. cp -v /etc/* /root
D. rcp /etc/* /root
E. cp -R /etc/*.* /root
Which command copies the contents of the directory /etc/, including all sub-directories, to /root/?
A. copy /etc /root
B. cp -r /etc/* /root
C. cp -v /etc/* /root
D. rcp /etc/* /root
E. cp -R /etc/*.* /root