Mathieu Bouchard wrote:

>>>2. Are there any OS'es that block execution of data-segments? IIRC, the
>>>i386-family supports such permission flags, but I don't know which OS'es
>>>use it for real. (Linux doesn't...)
>>Isn't N^X all about that?
> What's this N^X thing? is that the hot new way to say UNIX? Or is it the
> way to say *NIX as an obscure echo to AT&T/Lucent litigations, all the
> while trying not to sound like an old fart? Anyway "N^X" to me looks like
> nothing at all, and I'd label it plain skriptkiddie-talk if it weren't
> generally an insult. I don't even want to know where the "^" comes from.

Sorry, that should have been either NX (no execute) or W^X (write xor 
execute). http://www.yotor.com/wiki/en/nx/NX%20bit.htm seems to have a 
comparison of different implementations.