John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. John is working as a root user on the Linux operating system. He wants to run xdm
automatically when the
Linux operating system reboots. What will he do to accomplish the task?

A.
Enter the runxdm -auto command on the terminal.

B.
Enter thexdm command on the terminal.

C.
Enter thekillall xdm command on the terminal.

D.
Change the default run level forxdm in the /etc/inintab file.