Hi Guy's,
You can delete trace files which will generate in your database by using this command.
in windows environment.
> I am deleting 30 days old trc files you can go as per your requirement.
C:\Users\oracle> forfiles /p d:\app\oracle\diag\rdbms\testdb2\testdb2\trace /m *.trc /d -30 -c "cmd /c del/q @FILE"
Happy Learning.
