Actian X has a set of available logical names through which you can define various file names and other values. For an alphabetical list of the basic Actian X environment variables, see the appendix “Environment Variables.”

Actian X uses the following types of operating-system dependent environment variables:

Actian X environment variables in Windows and Linux are active only when you are using Actian X. A small subset of these environment variables can be reset in the local environment by the user.