| chrome_exec | Path to 'Google Chrome' executable |
| excel_exec | Path to 'Microsoft Execl' executable |
| exec_available | Check executable availability and version |
| exec_locate | Find an executable |
| exec_version | Get executable version |
| firefox_exec | Path to 'Mozilla Firefox' executable |
| is_osx | Test if the system is "macOS" |
| is_unix | Test if the system is "unix" |
| is_windows | Test if the system is "Windows" |
| libreoffice_exec | Path to 'LibreOffice' executable |
| node_exec | Path to 'node.js' executable |
| npm_exec | Path to 'npm' executable |
| pip_exec | Path to 'pip' executable |
| powerpoint_exec | Path to 'Microsoft PowerPoint' executable |
| python_exec | Path to 'python' executable |
| word_exec | Path to 'Microsoft Word' executable |