Oracle9i(9.2.0.4) Installation Errors Under Redhat 9

While installation of Oracle 9i (9.2.0.4) under the Redhat 9 I got an error like following: 

Error: You do not have sufficient privileges to write to the specified path. in compnonent Database Configuration Assistant 9.2.0.1.0. Installation cannot continue for this component.
O Stop installation of all products
O Stop installation of this component only

Solution for the Error is as follows: 

You need to fix the environmentral varialbe for the 'Oracle' users Or the user that you have created to install the 
oracle software.