单选题：In our experiment (using system call to loop through all running

In our experiment (using system call to loop through all running processes), we use printk to display the information of processes. How to check those information?@[B](1)
A. cat /log/messages
B. dmesg
C. print messages
D. cat messages




A.cat /log/messages
B.dmesg
C.print messages
D.cat messages


答案：B