2Using the Command Line

The command line is an interface to a computer—a way for you (the human) to communicate with the machine. Unlike common graphical interfaces that use “windows, icons, menus, and pointers” (i.e., WIMP), the command line is text-based, meaning you type commands instead of clicking on icons. The command line lets you do everything you would normally do by clicking with a mouse, but by typing in a manner similar to programming! As a data scientist, you will mostly use the command line to manage your files and keep track of your code using a version control system (see Chapter 3).

While the command line is not as friendly or intuitive as a graphical interface, it has the advantage of being both more powerful and more efficient ...

Get Programming Skills for Data Science: Start Writing Code to Wrangle, Analyze, and Visualize Data with R, First Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.