What is a computer program? Computer programs consist of a set of commands that the computer must execute. The computer executes the commands as it reads the file (from top to bottom) until it reaches ...

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 ...

Functions are fundamental to code organization; they exist in all higher order programming languages. Generally, functional programming means using functions to the best effect for creating clean and ...

System and User Environment Variables have always been a complex topic of discussion for day-to-day Windows OS users. What do they do? A tutorial on the internet said to add a PATH variable, but what ...

Many Python fans have longed for the language to adopt functional programming features. Now they can get those features without having to switch to a new Python implementation. Coconut, a newly ...