Merge pull request #1075 from flaviut/inlinedocs

Add some documentations and code examples in system

tests/misc/treadx.nim

@@ -0,0 +1,14 @@
+
+when not defined(windows):
+  import posix
+
+  var inp = ""
+  var buf: array[0..10, char]
+  while true:
+    var r = read(0, addr(buf), sizeof(buf)-1)
+    add inp, $buf
+    if r != sizeof(buf)-1: break
+
+  echo inp
+  #dafkladskölklödsaf ölksdakölfölksfklwe4iojr389wr 89uweokf sdlkf jweklr jweflksdj fioewjfsdlfsd
+