You are having some trouble with a disk partition and you need to do maintenance on this partition
but your users home directories are on it and several are logged in. Which command would
disconnect the users and allow you to safely execute maintenance tasks?

A.
telinit 1

B.
shutdown -r now

C.
killall -9 inetd

D.
/bin/netstop –maint

E.
/etc/rc.d/init.d/network stop