单选题：The cron daemon is used___.

The cron daemon is used___. @[D](1)
A. to manage files sharing in the network
B. to manage the printing subsystem
C. to deal with system administrative information and mistakes
D. to manage the scheduling of system administrative tasks




A.to manage files sharing in the network
B.to manage the printing subsystem
C.to deal with system administrative information and mistakes
D.to manage the scheduling of system administrative tasks


答案：D