Which of the following commands can be used to view kernel messages?

A.
less dmesg

B.
less /var/log/boot.log

C.
cat /proc/kernel |less

D.
cat /proc/dmesg

Explanation/Reference:
A) this command would only work when executing it from /var/log
C) file does not exist
D) there is a dmesg file, but it’s located in /var/log/dmesg