What is the effect of this command?

exams 101-500 101-500 exam 0 Comments

A system administrator types the following command:

# shutdown -c

What is the effect of this command?
A . The system closes all open windows in X without shutting down.
B . A previously scheduled shutdown is cancelled.
C . The system shuts down and reboots immediately.
D . The system shuts down and halts immediately.
E . The system asks for confirmation and then shuts down.

Answer: B