On 9 Apr 1997 12:34 -0500, spec@vax2.concordia.ca (Mitchell Spector) wrote: > Going from memory, I believe the last revision to SOS was 1.3. >Of course there is BOS-3, a new operating system that was written >just a few years ago, by a 3rd party. I had a disk with SOS v1.4b (beta). Unfortunately I got rid of the Apple /// a while ago so can't provide any more info.