dmesg.1 (594B)
1 .Dd February 2, 2015 2 .Dt DMESG 1 3 .Os ubase 4 .Sh NAME 5 .Nm dmesg 6 .Nd print or control the kernel ring buffer 7 .Sh SYNOPSIS 8 .Nm 9 .Op Fl Ccr 10 .Op Fl n Ar level 11 .Sh DESCRIPTION 12 .Nm 13 examines or controls the kernel ring buffer. By default it reads all the 14 messages from the kernel ring buffer and prints them to stdout. 15 .Sh OPTIONS 16 .Bl -tag -width Ds 17 .It Fl C 18 Clear the ring buffer. 19 .It Fl c 20 Clear the ring buffer after printing its contents. 21 .It Fl n Ar level 22 Set the console 23 .Ar level . 24 The log levels are defined in the file 25 .Pa include/linux/kern_levels.h . 26 .It Fl r 27 Print the raw message buffer. 28 .El