Apple II DOS source code available. All you have to do is type it in...

Computer History Museum - Apple II DOS source code

(Image Credit Computer History Museum)

Could you write a Disk Operating System in 7 weeks?

In June 1977 Apple Computer shipped their first mass-market computer:

the Apple II.

...

With thanks to Paul Laughton, in collaboration with Dr. Bruce Damer, founder and curator of the DigiBarn Computer Museum, and with the permission of Apple Inc., we are pleased to make available the 1978 source code of Apple II DOS for non-commercial use. This material is Copyright © 1978 Apple Inc., and may not be reproduced without permission from Apple.

There are seven files in this release that may be downloaded by clicking the hyperlinked filename on the left:

..."

Here's a snap from Apple_DOS_6Oct1978_retyped.docx,

Okay, so I'm never going to look at this again, but that doesn't mean I don't think this isn't kind of cool...

(via OS News - Computer History Museum releases Apple II DOS source code)