| Name | Lines of code | Maintainability | Test coverage |
| lib/tty/command/printers/pretty.rb | 60 | A 55 mins | |
| lib/tty/command/cmd.rb | 95 | A 3 hrs | |
| lib/tty/command.rb | 115 | A 35 mins | |
| lib/tty/command/process_runner.rb | 125 | A 2 hrs | |
| lib/tty/command/child_process.rb | 151 | A 3 hrs |