Linux 101: What are environment variables? Your email has been sent Jack Wallen introduces you to Linux environment variables. What are they and how are they set and ...

How to Set Temporary Environment Variables in Linux (+Video Tutorial) Your email has been sent In Jack Wallen's tutorial for developers, he show how easy it is to set temporary environment variables ...

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...