memory problem in development server

Hello Guru's

We are facing memory problem in our development server

Memory

Physical mem avail Kb 25.165.824 Physical mem free Kb 1.672

can anybody give us a rectification to solve this problem

Server information

SAP ERP Central Component 5.0

ORACLE - 9.2.0.7.0

Operating System - AIX

Thanks & Regards

Shishir