>cat ora_4396.aud
Audit file /u01/app/oracle/product/10.2/db_1/rdbms/audit/ora_4396.aud
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, Data Mining and Real Application Testing options
ORACLE_HOME = /u01/app/oracle/product/10.2/db_1
System name:    Linux
Node name:      myhost
Release:        2.6.18-53.1.13.el5
Version:        #1 SMP Tue Feb 12 13:01:45 EST 2008
Machine:        i686
Instance name: DB1
Redo thread mounted by this instance: 0 <none>
Oracle process number: 0
Unix process pid: 4396, image: oracle@myhost

Tue Apr 10 18:23:43 2012
LENGTH : '137'
ACTION :[7] 'CONNECT'
DATABASE USER:[1] '/'
PRIVILEGE :[6] 'SYSDBA'
CLIENT USER:[6] 'oracle'
CLIENT TERMINAL:[5] 'pts/5'
STATUS:[1] '0'