1. Ensure the $ORACLE_HOME and PATH environment  are set .

2. The PATH environment variable must include ORACLE_HOME/bin.



3. Enter the command at the OS command prompt:
         ADRCI
         adrci>
   Enter ADRCI commands
   Like
         adrci> purge -age 1440    "-age 1440 delete all and keep 1 day "

4. EXIT