Set Environment Variables News Today

On Linux, environment variables hold important values and settings. Scripts, applications, and shells read these values, often to configure themselves, or to control their behavior. Here are several ways to show those variables in your terminal.

Logging onto a Linux machine running Bash causes certain files to be read. They configure your shell environment. But which files are read, and when, can be confusing. Here’s what really happens.

If there’s one thing Linux is well-equipped with, it’s utilities for manipulating strings. But there’s a whole set of functionality built right into the Bash shell too. Here’s how it’s used.