![]() That’s important, because almost all computers in the cloud run Linux (including both companies like Amazon Web Services and university research clusters). We’re using bash because it’s the default terminal program on nearly all Macs and Linux computers (the operating systems of Mac and Linux computers are very similar, and are often just referred to as POSIX computers). But for all intents and purposes, the terms bash, command line, Terminal, and shell are basically interchangeable on a Mac or Linux computer. Also, bash is based on a program called shell, so you may also hear the term shell used to describe the tool we’ll be using today. But if you’re working on a Mac, you’d never know you were using bash because Apple calls bash Terminal. In this tutorial, the specific program we will be using is called bash. Terminology ¶īefore we get into the details of the terminal, though, a note on terminology: there are lots of names that float around that basically mean the same thing, including terminal, shell, command line, and bash. Just as you can use your mouse to open folders, move and rename files, and launch programs, so too can you use the terminal to ask your operating system to do the same things. The command line is a tool for talking to your operating system (e.g., macOS, Windows, etc.) using text instead of by moving around a mouse and clicking on things. ![]() It’s probably good to start by answering the question: What is the command line? Command Line, Basics Command Line, Basics Contents. ![]()
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