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

Why Would You Want to Set the PATH Variable? PATH is an essential environment variable on all Windows operating systems. It determines the way a system executes a program or command on your computer.

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we're going to introduce the concepts of simple variable substitution and ...

Learn how to set the PATH variable in macOS. The PATH variable is a file system environment variable that contains the location of commands and program files. In this article, you’ll learn how ...

You're taking a new programming class this fall, and you don't know anything about code. Python is taught widely in schools, and it's one of the most loved programming languages because it's simple.

If you're already using the Unix-like Cygwin, it's an easy hack to embed Cygwin's commands into your standard Windows comand prompt; if not, it might be worth checking out the free download.