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