Linux Commands: Exploring the `printenv` Command for Environment Variables

The printenv command is a useful tool for printing the values of environment variables in a Linux, macOS, or UNIX environment. In this guide, we will explore how to use this command effectively. Understanding Environment Variables Environment variables play a crucial role in setting system configurations and customizing shell behaviors. They can be set by the system itself or by your own shell scripts and configuration files. Printing All Environment Variables To print all the environment variables to the terminal, simply execute the printenv command....