dmesg —
display the system message buffer
dmesg |
[-M core]
[-N system] |
dmesg displays the contents of the system message
buffer. It is most commonly used to review system startup messages.
The options are as follows:
-M
core- Extract values associated with the name list from the specified
core instead of the default
/dev/kmem.
-N
system- Extract the name list from the specified system
instead of the default /bsd.
- /var/run/dmesg.boot
- copy of
dmesg saved by
rc(8) at boot time
The dmesg command appeared in
4.0BSD.