Simply put, environment variables are variables that are set up in your shell when you log in. They are called “environment variables” because most of them affect the way your Unix shell works for you ...

It's not Linux, or even Unix.

When working in shell sessions on Linux, it is sometimes necessary to investigate the settings for that particular environment, and the env command can help with that. In this 2-minute Linux Tip by ...

Account administration in a distributed UNIX/Linux environment can become complicated and messy if done by hand. Large sites use special tools to deal with this problem. In this article, I describe ...