The Master Log window
To view the Master Log, select the monoLog application in the Control Panels section of your Apple menu. A window will appear showing the most recently logged entries.
The Master Log window contains four columns:
The icons at the left of each entry gives you a quick visual representation of the priority of the entry. See log entry priorities for more information.
You can configure which entries will be saved in the Master Log by setting its minimum priority in the Preferences window. See Master Log preferences for more information.