This historic OS was not stored digitally, so a fleet of historians have transcribed the source code from ancient print-outs in order to make it open source

via github.com

Short excerpt below. Read at the original source.

I’m dating myself here, but the operating systems I remember most clearly banging my head against in my youth were Windows 95 and Windows XP. Obviously, plenty of computer interface history predates the panel-style design we’re so familiar with now, and Microsoft has announced fresh efforts to preserve this. Microsoft has shared the source code […]

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