# Quizzes

1. What's the default text editor in unix based systems (unix, linux and Mac OS)?
1. What is "piping" when referring to the command line?
1. What is the main reason you might want to learn how to use a command-line text editor, such as `vim`?
1. What does the term "recursive" mean in the context of the command-line?
1. What is the use of the $PATH environmental variable?
1. Provide two situations where using the command-line is a better idea than a GUI?
1. What is a scenario, where you might actually prefer to use a GUI instead?
1. Why would a data scientist want to use the command line to see the first rows of a dataset?
