RP/0/RP0/CPU0:R1#show logging start Sep 5 12:10:00

Sat Sep  5 12:11:05.295 UTC
Time Zone UTC, DST disabled
Syslog logging: enabled (0 messages dropped, 0 flushes, 0 overruns)
    Console logging: Disabled
    Monitor logging: level debugging, 0 messages logged
    Trap logging: level informational, 0 messages logged
    Buffer logging: level debugging, 91 messages logged

Log Buffer (2097152 bytes):

RP/0/RP0/CPU0:Sep  5 12:10:21.255 UTC: config[65679]: %MGBL-CONFIG-6-DB_COMMIT : Configuration committed by user 'cisco'. Use 'show configuration commit changes 1000000039' to view the changes. 
RP/0/RP0/CPU0:Sep  5 12:10:21.376 UTC: config[65679]: %MGBL-SYS-5-CONFIG_I : Configured from console by cisco 
RP/0/RP0/CPU0:Sep  5 12:10:21.666 UTC: logger[65691]: %OS-SYSLOG-6-LOG_INFO : informational STEP0-BEGIN 
RP/0/RP0/CPU0:Sep  5 12:10:29.559 UTC: logger[65790]: %OS-SYSLOG-6-LOG_INFO : informational STEP1-BEGIN 
RP/0/RP0/CPU0:Sep  5 12:11:04.840 UTC: config[65858]: %MGBL-CONFIG-6-DB_COMMIT : Configuration committed by user 'cisco'. Use 'show configuration commit changes 1000000040' to view the changes. 
RP/0/RP0/CPU0:Sep  5 12:11:05.051 UTC: config[65858]: %MGBL-SYS-5-CONFIG_I : Configured from console by cisco