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 ...

I'm trying to set an environment variable in Panther. I'm a switched XP guy, and new to OSX. Familer though with Linux. Anyway, I'm trying to set up Tomcat so I can do JSP programming on my shiny new ...

Jack Wallen shows you how to pass environment variables to Docker containers for a more efficient development process. Did you know you can pass environment variables from your host to Docker ...

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 ...