29 lines
594 B
Groff
29 lines
594 B
Groff
.Dd February 2, 2015
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.Dt DMESG 1
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.Os ubase
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.Sh NAME
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.Nm dmesg
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.Nd print or control the kernel ring buffer
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.Sh SYNOPSIS
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.Nm
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.Op Fl Ccr
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.Op Fl n Ar level
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.Sh DESCRIPTION
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.Nm
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examines or controls the kernel ring buffer. By default it reads all the
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messages from the kernel ring buffer and prints them to stdout.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl C
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Clear the ring buffer.
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.It Fl c
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Clear the ring buffer after printing its contents.
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.It Fl n Ar level
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Set the console
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.Ar level .
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The log levels are defined in the file
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.Pa include/linux/kern_levels.h .
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.It Fl r
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Print the raw message buffer.
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.El
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