Is there any explanation/history behind the name of the command
dmesg (which prints out some kernel messages)?
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dmesg - system diagnostic messages Dmesg looks in a system buffer for recent kernel diagnostic messages and reproduces them on the standard output
One of the oldest references appears to be a man page revision by Kirk McKusick dating back from 1985.
1: the link doesn’t always work – no idea why… I’m attaching a screenshot though you should still be able to access the page via Google’s cache.
I think the
dmesg command just stands for display messages. The FreeBSD manpages seem to share this view:
dmesg — display the system message buffer
According to Wikipedia,
dmesg is “display message or driver message“