Common Oracle script-uninstall RAC

#! /Bin/bash #0. env Varible sed-I's/^ export ORACLE_HOME/# export ORACLE_HOME/G'/home/Oracle /. bash_profilesed-I's/^ export oracle_sid/# export oracle_sid/G'/home/Oracle /. bash_profilesed-I's/^ export tns_admin/# export tns_admin/G'/home/Oracle /. bash_profile #1. stop servicecrs_stop-all #2. delete some filerm-F/etc/init. d/init.css D Rm-F/etc/init. d/init. CRS Rm-F/etc/init. d/init. crsd Rm-F/etc/init. d/init. evmdrm-F/etc/rc2.d/k96init. crsrm-F/etc/rc2.d/s96init. crsrm-F/etc/rc3.d/k96init. crsrm-F/etc/rc3.d/s96init. crsrm-F/etc/rc5.d/k96init. crsrm-F/etc/rc5.d/s96init. crsrm-F/etc/inittab. crsrm-F/etc/inittab. no_crsrm-fr/u01/crs1020/* Rm-fr/u01/APP/Oracle/* Rm-fr/u01/oratabrm-fr/etc/ora * Rm-F/usr/ local/bin/coraenvrm-F/usr/local/bin/dbhomerm-F/usr/local/bin/oraenvrm-fr/var/tmp /. export lerm-fr/tmp/* chown-r root: oinstall/u01chown-r ORACLE: oinstall/u01/appchmod 775/u01/crs1020 #3. deal with/etc/inittabcp/etc/inittab. orig/etc/inittab #4. format the shareddisk #......

Note:
Step 1: Set ORACLE_HOME, oracle_sid, three environment variables tns_admin are commented out for reinstallation.
Step 4: different scenarios.