Definitions for "Environment variables"
Keywords:  variable, unix, shell, setenv, printenv
Environment Variables are definitions of directory structures to be referenced elsewhere in the step.rc. A more extensive explanation can be found on the Configuration page.
Like other UNIX programs. CGIs obtain and store their input rather than reading it in every time it's needed. This stored information - in the form of environment variables - is passed to the program by the HTTP server (from the submitting client). An environment variable, therefore, is a value passed into a program or script by the runtime environment on the system where it's running.
Variables provided by certain operating systems and by Liquid Common Lisp that allow you to customize the operating system and Lisp environment respectively.