If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Jack Wallen introduces you to Linux environment variables. What are they and how are they set and unset? How many times have you installed something on Linux, only to find out that you need to set ...

Ever wondered how you get the same terminal experience every time you open a new terminal session in Linux? The terminal pulls the configuration file and sets the environment according to the values ...

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 ...

MSSQL_SA_PASSWORD Configures the sa password. The SA_PASSWORD environment variable is deprecated. Use MSSQL_SA_PASSWORD instead. MSSQL_DB Sets the name of a database to create on container startup.