A.1 The operating system command line
At several points in this book, I ask you to enter and execute a statement
from “the operating system command line.” For example, in section 10.1.3, I ask you to run pytest unipoly.py
from the command line.
The way to get a command line varies by the operating system you are using:
- For Microsoft Windows, open Windows PowerShell or Windows Command Prompt from the Start menu or by typing “PowerShell” or “Prompt” in the search box.
- For Apple macOS, start the Terminal application from
Launchpad or the
Application/Utilities
folder. - For Linux, if you are in a graphical environment, try typing Ctrl-Alt-T to open the terminal. Otherwise, look for a “Terminal” application in the system menus. If you are not in a graphical environment, you are in a terminal!
The command line is also called...