Oracle Database Discussions

Hi Im trying to find my alert log, please see the below snippets, can anyone tell me where im going wrong?

SQL> sho parameter background_dump_dest;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
background_dump_dest                 string      /data/app/oracle/diag/rdbms/or
                                                 cl/orcl/trace
SQL> 

[oracle@localhost ~]$ . oraenv -v
ORACLE_SID = [oracle] ? orcl
The Oracle base for ORACLE_HOME=/data/app/oracle/product/11.2.0/dbhome_1 is /data/app/oracle
[oracle@localhost ~]$ cd /data/app/oracle/diag/rdbms/
[oracle@localhost rdbms]$ ls
orcl
[oracle@localhost rdbms]$ cd orcl
[oracle@localhost orcl]$ ls
i_1.mif  orcl
[oracle@localhost orcl]$ cd orcl
[oracle@localhost orcl]$ ls
alert  cdump  hm  incident  incpkg  ir  lck  metadata  stage  sweep  trace
[oracle@localhost orcl]$ cd alert
[oracle@localhost alert]$ ls
log.xml
[oracle@localhost alert]$