Uninstall Oracle from Linux Operating System

Remove Oracle from Linux O.S.

• Stop any outstanding processes using the appropriate utilities.
  

  # oemctl stop oms user/password
  # agentctl stop
  # lsnrctl stop

  Alternatively you can kill them using the kill -9 pid command as the root user.
• Delete the files and directories below the $ORACLE_HOME.
  

  # cd $ORACLE_HOME
  # rm -Rf *

• Delete the /etc/oratab file. If using 9iAS delete the /etc/emtab file also.

  # rm /etc/oratab /etc/emtab