My linux version is centos5.5, kernel version is 2.6.18-194.el5.Install Oracle 11g in linux system preferably 1G memory, 2G of swap space,and at least 4.5G space on hard disk.Follow the steps to install the Oracle 11g .

1.Download Oracle.

Download the corresponding version of the Oracle on Oracle official website.I have downloaded Oracle for linux X86.

http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

2.Create the Oracle user in Linux, and the management group .

Login Linux as root user,and execute the following command: Read more