<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;W%5EX" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;W%5EX</a><p>Also known as DEP under Windows: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Data_Execution_Prevention" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Data_Execution_Prevention</a><p>Or more general: NX: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;NX_bit" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;NX_bit</a><p>There should probably be a definitive name for this.