5.1. $currentDirectory
5.2. $setCurrentDirectory
5.3. $homeDirectory
5.4. $getCommandLine
5.5. $programName
5.6. $directory
5.7. $fileInfo
5.8. $composeFileName Examples
5.9. $composePath Examples
5.10. $decomposePath
5.11. $decomposeFileName
5.12. $userID
5.13. $cpuID
5.14. Exit Codes
5.15. $truncateFile
5.16. Environment Variable PROCEDUREs