How can I quickly recreate a parameter file and password file in $ ORACLE_HOME/dbs by mistake ?, Oracle_homedbs
[Oracle @ 11g dbs] $ pwd
/Home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs
[Oracle @ 11g dbs] $ ll
Total 24
-Rw ----. 1 oracle oinstall 1544 Mar 11 hc_orcl.dat
-Rw-r --. 1 oracle oinstall 2851 May 15 2009 init. ora
-Rw-r -----. 1 oracle oinstall 658 Feb 16 05:17 initorcl. ora
-Rw-r -----. 1 oracle oinstall 24 Feb 16 05:17 lkORCL
-Rw-r -----. 1 oracle oinstall 1536 Feb 16 orapworcl
-Rw-r -----. 1 oracle oinstall 3584 Mar 11 spfileorcl. ora
[Oracle @ 11g dbs] $ rm-rf *
Total 0
[Oracle @ 11g dbs] $ orapwd file =/home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs/orapworcl password = oracle
SQL> create pfile from memory;
File created.
[Oracle @ 11g dbs] $ ll
-Rw ----. 1 oracle oinstall 1544 Mar 11 hc_orcl.dat
-Rw-r --. 1 oracle oinstall 5562 Mar 11 initorcl. ora
-Rw-r -----. 1 oracle oinstall 24 Mar 11 16: 55 lkORCL
-Rw-r -----. 1 oracle oinstall 1536 Mar 11 orapworcl
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.
Total System Global Area 835104768 bytes
Fixed Size 2217952 bytes
Variable Size 520095776 bytes
Database Buffers 310378496 bytes
Redo Buffers 2412544 bytes
Database mounted.
Database opened.