Checking System Logs ,System Performance ?

Hello Everyone !

I have some questions ,please guide me through it

- > How can we check system logs operatiions

- > How can we keep an eye on checking overall system performance

- > How can we make Periodical checkup of trace, log files and initialization parameters.

- > How can we Provide a report describing any problems detected and a copy of the trace file(s).

Thanks ,

Your answers will be appreciated!