Oracle Database 18c Installation on Oracle Linux 6.5 64 bit

 Oracle Database 18c Enterprise Edition Release 18.0.0.0.0 - Production Version 18.3.0.0.0.0

Oracle Installation Prerequisites  follow below link and make changes as per requirement :-

http://anuragkumarjoy.blogspot.com/2016/02/oracle-database-installation-on-oracle.html

Download 18c database Software and extract:

                     LINUX.X64_180000_db_home.zip

Follow below snapshot for Oracle 18c installation