![]() Someone unfamiliar with the shell might ask why you would bother with this, when many results can be accomplished by simply clicking on icons and menus.Ī shell user might reply with another question: why hunt icons and click menus when you can accomplish things much more easily by typing? ![]() Those early prompt systems are the precursors of the shells and terminals that most active data scientists still use today. The shell is a way to interact textually with your computer.Įver since the mid 1980s, when Microsoft and Apple introduced the first versions of their now ubiquitous graphical operating systems, most computer users have interacted with their operating system through familiar clicking of menus and drag-and-drop movements.īut operating systems existed long before these graphical user interfaces, and were primarily controlled through sequences of text input: at the prompt, the user would type a command, and the computer would do what the user told it to. A full intro to using the shell/terminal/command-line is well beyond the scope of this chapter, but for the uninitiated we will offer a quick introduction here.
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