# mkdir -p /u01/oracle/database/12.2
# chown -R oracle12:dba /u01/oracle
# chmod -R 775 /u01/oracle/database/12.2
# mkdir -p /u01/oraInventory
# chown -R oracle12:oinstall /u01/oraInventory
# chmod -R 775 /u01/oraInventory
# mkdir -p /u02/oracle/oradata/12.2
# chown -R oracle12:dba /u02/oracle/oradata/12.2
# chmod -R 775 /u02/oracle/oradata/12.2
# mkdir -p /u03/oracle/oradata/12.2/orcl12/backups
# chown -R oracle12:dba /u03/oracle/oradata/12.2/orcl12/
# chmod -R 775 /u03/oracle/oradata/12.2/orcl12/
# mkdir -p /distrib/oracle/12.2/
# chown -R oracle12:dba /distrib/oracle/12.2/
# chmod -R 775 /distrib/oracle/12.2/