Pipes, Input, & Output

Let's dive into the surprisingly complex world of input, output, and pipes. In this video, you'll learn what standard out, standard in, and standard error are and why they're so important. You'll also learn to use pipes to send the output of one command as input to the next, transforming text step-by-step into exactly what you need.

To learn even more, read the thoughtbot blog post on Input/Output Redirection in the Shell.