Glossary
| Term | Explanation | 
|---|---|
| REPL | Read-eval-print-loop - an interactive environment which takes user input, evaluates or executes it, and prints the result. Examples: the R console, the terminal shell, an ipython interpreter | 
| SSH key | |
| unit test | |
| compiler | |
| terminal | |
| file path | |
| control flow | |