cli: Command-line interface, a text-based way to prompt program functions. Commonly implemented within a shell on otherwise graphics-based systems.
The command line is the literal line where you enter commands and the cursor blinks. Many developers today are using Unix-based tools (e.g. the terminal, and the tools you can access through it). Many tutorials and tools which exist on the web today support Unix-based systems, however, not to worry — they are available on…