Code:
SQL> show parameter log_archive_dest;

NAME				     TYPE	 VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest		     string
log_archive_dest_1		     string
log_archive_dest_10		     string
log_archive_dest_2		     string
log_archive_dest_3		     string
log_archive_dest_4		     string
log_archive_dest_5		     string
log_archive_dest_6		     string
log_archive_dest_7		     string
log_archive_dest_8		     string
log_archive_dest_9		     string

NAME				     TYPE	 VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_state_1	     string	 enable
log_archive_dest_state_10	     string	 enable
log_archive_dest_state_2	     string	 enable
log_archive_dest_state_3	     string	 enable
log_archive_dest_state_4	     string	 enable
log_archive_dest_state_5	     string	 enable
log_archive_dest_state_6	     string	 enable
log_archive_dest_state_7	     string	 enable
log_archive_dest_state_8	     string	 enable
log_archive_dest_state_9	     string	 enable
SQL>
init.ora file:

[oracle@fedora10 dbs]$ cat initorcl.ora
orcl.__db_cache_size=293601280
orcl.__java_pool_size=16777216
orcl.__large_pool_size=4194304
orcl.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
orcl.__pga_aggregate_target=209715200
orcl.__sga_target=532676608
orcl.__shared_io_pool_size=0
orcl.__shared_pool_size=209715200
orcl.__streams_pool_size=0
*.audit_file_dest='/u01/app/oracle/admin/orcl/adump'
*.audit_trail='db'
*.compatible='11.1.0.0.0'
*.control_files='/u01/app/oracle/oradata/orcl/control01.ctl','/u01/app/oracle/oradata/orcl/control02.ctl','/u01/app/oracle/oradata/orcl/control03.ctl'#Restore Controlfile
*.db_block_size=8192
*.db_domain=''
*.db_flashback_retention_target=1440
*.db_name='orcl'
*.db_recovery_file_dest='/u01/app/oracle/flash_recovery_area'
*.db_recovery_file_dest_size=8589934592
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.local_listener='LISTENER_ORCL'
*.memory_target=741343232
*.open_cursors=300
*.processes=150
*.query_rewrite_enabled='TRUE'
*.remote_login_passwordfile='EXCLUSIVE'
*.undo_tablespace='UNDOTBS1'