Christoph Biedl, on sam. 19 août 2017 15:50:39 +0200, wrote: > The portable approach was probably examining `uname -s` but > appearently on Hurd this returns just "GNU"[1] - at least on the Hurd > porter box exodor -, and that's a bit vague. It's not vague :) GNU/Hurd is *the* GNU system, no other system is supposed to make uname -s return "GNU". Samuel