What is BOS3?

BOS3 is a wonderful upgrade to SOS, released in December, 1994.
Developer by Bob Consorti, it was financed entirely by the Apple ///
community. BOS3 adds a tremendous number of capabilities to the ///
with a hard disk. They include an easy to set-up and use menu system,
disk caching, password protection, screen saver, macro capability to
run programs with just two keystroke and compatibility with Selector
/// pathnames. It is available from On Three (Bob Consorti).