Linux & Command Line

Environment Variable

/ɪnˈvaɪrənmənt ˈveəriəbl/

Definition

A named value stored in the shell environment, used to configure applications without hardcoding settings.

Example in context

"Store API keys in environment variables — export DATABASE_URL=postgres://... never commit secrets to git."

Practice this term

Master Environment Variable in context by working through exercises in the Linux & Command Line module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.