If you are interested in taking a look at a 35-year-old computer operating system, when computers were equipped with around 4K of memory. You might be interested to know that the Computer History Museum has now made available to the public the original DOS source code for the iconic Apple II computer.
The Apple II series was a range of 8-bit home computers designed primarily by Steve Wozniak, and manufactured by Apple Computers way back in 1977. The Apple II computer was among the first successful personal computers of its time and launched Apple into a successful business.
By the end of production in 1993, somewhere between five and six million Apple II series computers (including about 1.25 million Apple IIGS models) had been produced.
There operating system which has now been made available but the Computer History Museum has been donated by Paul Laughton, creator of the original operating system. The design of the operating system took Laughton 7 weeks to complete from start to finish and earned him $13,000.
The original DOS source code for the iconic Apple II computer is now available from the Computer History Museum website together with more interesting facts about the Apple II computer.