Adapting your programs for a different operating system
When you change to a different operating system, you must review and, if necessary, adjust your environment-dependent configuration parameters and environment variables.
Certain database server configuration parameters and environment variables are environment-dependent.
For details, see the information about configuration parameters in the IBM® Informix® Administrator's Guide and the HCL Informix Administrator's Reference and the information about environment variables in the IBM Informix Administrator's Guide and the IBM Informix Guide to SQL: Reference.