Maybe some storage related command may work, like dd, format. But I won't bother it.
For command "drop database", in fact it drops nothing to me . below demo is performed with Oracle database 10.2.0.5 running on linux 32bit platform.
16:20:44
SYS@RAWDB1> drop database ;
Database
dropped.
Disconnected
from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit
Production
With the
Partitioning, OLAP, Data Mining and Real Application Testing options
Elapsed:
00:00:06.17
16:35:11
@> exit
-bash-3.2$
ps -fu oracle
UID PID
PPID C STIME TTY TIME CMD
oracle 5807 26909
0 Mar25 ? 00:02:53
/software/oracle/product/10.2.0/jdk/bin/java -server -Xmx256M
-XX:MaxPermSize=96m -XX:M
oracle 5949
1 0 Mar25 ? 00:00:00
/software/oracle/product/10.2.0/bin/tnslsnr LISTENER -inherit
oracle 22956 22952
0 14:58 ? 00:00:00 sshd:
oracle@pts/0
oracle 22965 22956
0 14:58 pts/0 00:00:00 -bash
oracle 23029 23025
0 15:00 ? 00:00:00 sshd:
oracle@pts/1
oracle 23040 23029
0 15:00 pts/1 00:00:00 -bash
oracle 24230 22965
0 16:35 pts/0 00:00:00 ps -fu
oracle
oracle 26909
1 0 Mar25 ? 00:00:02 /software/oracle/product/10.2.0/perl/bin/perl
/software/oracle/product/10.2.0/bin/emwd.
oracle 29695 26909
0 Mar25 ? 00:06:00
/software/oracle/product/10.2.0/bin/emagent
-bash-3.2$
sqlplus / as sysdba
SQL*Plus:
Release 10.2.0.5.0 - Production on Thu Apr 3 16:35:21 2014
Copyright
(c) 1982, 2010, Oracle. All Rights
Reserved.
Connected
to an idle instance.
16:35:21
SYS@RAWDB1> startup
ORACLE
instance started.
Total
System Global Area 901775360 bytes
Fixed
Size 2100424 bytes
Variable
Size 226493240 bytes
Database
Buffers 666894336 bytes
Redo
Buffers 6287360 bytes
Database
mounted.
Database
opened.
