unix

Published Soursen pieces tagged unix, with the standfirst, the beat and the day the piece went up. Every fact is checked against the source.

Linux & open source

How Intel, Microsoft, and Linux Took Down the UNIX Server Kingdoms

Going into the 1990s, a serious enterprise server meant a proprietary UNIX system running on custom RISC silicon, and it cost a fortune. By 2005 most of that market had been eaten by cheap Intel boxes running either Windows or Linux. I went back through how that happened, because it is one of the cleanest examples in computing history of a business model getting beaten on economics while its technology stayed ahead.

27 October 202621 min read

Linux & open source

MacOS Quietly Vanished From the Official Unix Registry

For almost 20 years, “macOS is certified Unix” was a real bragging right. I dug into what that certification actually required, and the honest answer is that no Mac anyone uses has ever met it. Here is what disappeared from the Open Group’s list in October 2026, and why it matters less than the headlines suggest.

21 October 202612 min read