Which three statements about the /var/run file system are true? (Choose three)

A.
It is owned by root.

B.
It is the repository for non-system temporary files.

C.
It is not unmounted with the umount a or the umountall command.

D.
It is the repository for temporary system files that are not needed across system reboots.

E.
Special commands usable only by root to evaluate run levels are stored in /var/run.