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What is POSIX? Richard Stallman explains

Submitted by Rianne Schestowitz on Monday 15th of July 2019 08:18:42 AM Filed under
GNU
Interviews

What is POSIX, and why does it matter? It's a term you've likely seen in technical writing, but it often gets lost in a sea of techno-initialisms and jargon-that-ends-in-X. I emailed Dr. Richard Stallman (better known in hacker circles as RMS) to find out more about the term's origin and the concept behind it.

Richard Stallman says "open" and "closed" are the wrong way to classify software. Stallman classifies programs as freedom-respecting ("free" or "libre") and freedom-trampling ("non-free" or "proprietary"). Open source discourse typically encourages certain practices for the sake of practical advantages, not as a moral imperative.

The free software movement, which Stallman launched in 1984, says more than advantages are at stake. Users of computers deserve control of their computing, so programs denying users control are an injustice to be rejected and eliminated. For users to have control, the program must give them the four essential freedoms...

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