Automating dce_config Processing
Using an environment file and a command file, you can automate dce_config processing.
The environment file sets the DCE and DFS environment variables. These variables provide answers to the user prompts encountered during interactive processing. This means that you do not have to answer the prompts, instead dce_config obtains the answers from the variable settings. (Note that you can also set the variables as shell variables. The dce_config Environment Variables and The dfs_config Environment Variables describe the variables and their settings.)
The command file is a shell script that initiates installation and configuration processing. If you use a command file, dce_config does not display the menus and initiate interactive processing, but instead sources the command file for instructions.
If you use both the environment and command file, you can completely automate dce_config processing. If you use only the environment file, you can partially automate dce_config processing. In this case although you must make the menu selections that indicate which components to install and configure, you are not required to answer the prompts displayed during a non-automated installation and configuration.
More:
Using the Environment and Command Files