dmesg命令
来源:原创 更新时间:2018-09-09 22:01:51 作者:管理员 浏览:1345
- 命令描述
- 命令语法
- 命令选项
-s<缓冲区大小>:预设置为8196,刚好等于ring buffer的大小;
-n:设置记录信息的层级。
- 命令实例
实例
[root@Linuxbaodian ~]# dmesg | headLinux version 2.6.18-348.6.1.el5 (mockbuild@builder17.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-54)) #1 SMP Tue May 21 15:34:22 EDT 2013 BIOS-provided physical RAM map: BIOS-e820: 0000000000010000 - 000000000009f400 (usable) BIOS-e820: 000000000009f400 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000007f590000 (usable) BIOS-e820: 000000007f590000 - 000000007f5e3000 (ACPI NVS) BIOS-e820: 000000007f5e3000 - 000000007f5f0000 (ACPI data) BIOS-e820: 000000007f5f0000 - 000000007f600000 (reserved) BIOS-e820: 00000000e0000000 - 00000000e8000000 (reserved)