If you've ever wanted to dip your toe in a programming language, Codecademy allows you to learn basics of coding syntax through eight easy lessons that teach variables, letters and strings ...

All programming languages have something called reserved words, which means you can't use them as variable names ... This calls a built-in JavaScript function (we'll learn more about these ...

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 ...

unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero for failure. To ...

AWK takes many of its constructs from the C programming language. It includes the following features: The gawk utility takes its input from files you specify on the command line or from standard input ...