not able find spfile and pfile

Hi,

I started 10gr2 database with pfile. I am not able to find spfile and pfile. Please help me on it.

SQL> create spfile from pfile;

File created.

SQL> create pfile from spfile;

File created.

SQL> show parameter pfile;

SQL> SHOW PARAMETER PFILE;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string
SQL> SHOW PARAMETER SPFILE;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string
SQL> CREATE SPFILE FROM MEMORY;
CREATE SPFILE FROM MEMORY
                   *
ERROR at line 1:
ORA-00922: missing or invalid option

SQL> SELECT VALUE FROM V$PARAMETER WHERE NAME='spfile'
UNION
SELECT VALUE FROM V$PARAMETER WHERE NAME='pfile';  2    3

VALUE
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