: Plain text files that store specific terminal commands or paths for Mac-specific tools.

: Sometimes a file looks like macs.txt but is actually macs.txt.rtf . Right-click the file and select Get Info to verify.

: Always convert from Rich Text Format to Plain Text to prevent formatting "garbage" from breaking scripts.

: Ensure the file is saved as Plain Text . Go to Format > Make Plain Text (or use Command + Shift + T ). When saving, verify the extension is .txt and not hidden. Reading or Running Commands :