单选题：In Linux system, the file directory /proc is used to___.

In Linux system, the file directory /proc is used to___.@[D](1)
A. maintain device info
B. commands of operating system
C. configure files of the system
D. information of process and system



A.maintain device info
B.commands of operating system
C.configure files of the system
D.information of process and system


答案：D