One crucial component of the Linux environment is the PATH variable. It's like a guide that directs the system to where it can find the programs you're asking it to run. In this article, we will delve ...

The eval command allows you to run the contents of variables as commands and can be very useful -- especially in scripts.

Jack Wallen shows you how to pass environment variables to Docker containers for a more efficient development process.

In a previous column, I showed how to do substring expansion with shell variables in the form of $ {var:start:length}, but it's also useful to know the length of a variable's value. This can be done ...

Adding a Global Path in CentOS Linux. The "path" environment variable in Linux specifies the directories the terminal looks in when you type the path to a command. For example, when you type ...

I'm storing sensitive info like the auth token in environment variables. The problem is, the python script can only see them when I run the script manually from the shell (so I know that the code ...