The Oberon language was instrumental for the creation of the Oberon operating system. Writh makes this clear in several articles. For example http://people.inf.

The Oberon language was instrumental for the creation of the Oberon operating system. Writh makes this clear in several articles. For example http://people.inf.ethz.ch/wirth/ProjectOberon/PO.System.pdf http://people.inf.ethz.ch/wirth/ProjectOberon/PO.System.pdf in the "History and motivation" chapter or in the paper "A plea for lean software" [http://neacsu.net/prog/A%20Plea%20for%20Lean%20Software.pdf http://neacsu.net/prog/A%20Plea%20for%20Lean%20Software.pdf]