dmesg(8) - NetBSD Manual Pages

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DMESG(8)                NetBSD System Manager's Manual                DMESG(8)

dmesg -- display the system message buffer
dmesg [-M core] [-N system]
dmesg displays the contents of the system message buffer. The options are as follows: -M Extract values associated with the name list from the specified core instead of the default ``/dev/mem''. -N Extract the name list from the specified system instead of the default ``/netbsd''. The system message buffer is a circular buffer of a fixed size. If the buffer has been filled, the first line of the dmesg output may not be complete. The size of the message buffer is configurable at compile-time on most systems with the MSGBUFSIZE kernel option. Look for MSGBUFSIZE in options(4) for details.
/var/run/dmesg.boot copy of dmesg at the time of last boot.
options(4), syslogd(8)
The dmesg command appeared in 3.0BSD. NetBSD 8.0 September 11, 2016 NetBSD 8.0
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