Format: tab-delimited, with columns operating system (Windows, Mac OS X, Linux ... see index.html, change as needed) operating system to be shown on the web page file where to read the filename for download (href) variable from the above file which gives the file name for download Windows Orange 2.7 for Windows filenames_win.set WIN_PYTHON_SNAPSHOT Mac OS X Orange 2.7 for Mac OS X filenames_mac.set MAC_DAILY