"Stdin" is the "standard input" to a program. Typically, this is connected to your keyboard input through a tty, but not always. Node tries to rely on Unix te

"Stdin" is the "standard input" to a program. Typically, this is connected to your keyboard input through a tty, but not always. Node tries to rely on Unix terminology when applicable. If you've never done systems programming of any sort, then yes, this may be a blocker. But, I don't think that most programming language documentation takes the time to explain what "stdin" is.