[root@Centos ~]# vi /var/log/messages
Jul 30 15:24:59 Centos syslogd 1.4.1: restart.
Jul 30 15:24:59 Centos syslog: syslogd startup succeeded
Jul 30 15:24:59 Centos kernel: klogd 1.4.1, log source = /proc/kmsg started.
Jul 30 15:24:59 Centos kernel: Linux version 2.6.9-34.EL (buildcentos@build-i386) (gcc version 3.4.5 20051201 (Red Hat 3.4.5-2)) #1 Wed Mar 8 00:07:35 CST 2006
Jul 30 15:24:59 Centos kernel: BIOS-provided physical RAM map:
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 00000000000e8000 - 0000000000100000 (reserved)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 0000000000100000 - 000000001bfb0000 (usable)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 000000001bfb0000 - 000000001bfc0000 (ACPI data)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 000000001bfc0000 - 000000001bff0000 (ACPI NVS)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 000000001bff0000 - 000000001c000000 (reserved)
Jul 30 15:24:59 Centos kernel:  BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)