Dmesg

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Intoduction

Dmesg displays the system message buffer. With other words: If you like to know, which hardware is detected by your system, you can use the command dmesg. This program is stored in /sbin/ and shows information stored in /var/run/dmesg.boot
You can try: cat /var/run/dmesg.boot .

The Options are as follows

Option Description
-a Show all data in the message buffer. This includes any syslog records and /dev/console output.
-c Clear the kernel buffer after printing.
-M Extract values associated with the name list from the specified core.
-N If -M is also specified, extract the name list from the specified system instead of the default, which is the kernel image the system has booted from.


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