linux operating system

Environment variables in Bash are variables that define the environment in which processes run. They store system-wide values like system paths, configuration settings, and user-specific data, and can be accessed or modified within a Bash session. Environment variables are essential for: Configuring system settings. Customizing the behavior of scripts and programs. Storing configuration values for users and applications. Here’s an overview of how to work with environment variables in Bash. 1. Viewing Environment Variables To see all the current environment variables, use the env or printenv command: env or printenv This will print a list of all environment variables and their values.