Microsoft makes 86-DOS 1.00 open source on its 45th birthday

History painstakingly preserved.

Microsoft open-sources “the earliest DOS source code discovered to date”

For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this ...

Microsoft releases the earliest DOS source code ever discovered as open source

Microsoft has officially released another significant piece of DOS history. The "Paterson Listings" include the earliest ...
Ars Technica

AI can rewrite open source code—but can it rewrite the license, too?

Computer engineers and programmers have long relied on reverse engineering as a way to copy the functionality of a computer program without copying that program’s copyright-protected code directly.
InfoWorld

Anthropic employee error exposes Claude Code source

A version of the AI coding tool in Anthropic's npm registry included a source map file, which leads to the full proprietary source code. An Anthropic employee accidentally exposed the entire ...