Release 10.1A: OpenEdge Getting Started:
Installation and Configuration

Using the Proenv utility

The $DLC environment variable is not set at the system level. The Proenv utility can automatically set the $DLC environment variable to the directory where OpenEdge is installed. It then adds $DLC/bin to your PATH.

Proenv opens a new window, sets the environment variables, and then changes the current directory to the working directory you set when you installed OpenEdge.