1 files changed, 13 insertions, 3 deletions

diff --git a/shell/ash_test/ash-redir/redir5.tests b/shell/ash_test/ash-redir/redir5.tests
index 91b0c1ff9..957f9c81f 100755
--- a/shell/ash_test/ash-redir/redir5.tests
+++ b/shell/ash_test/ash-redir/redir5.tests
@@ -1,3 +1,13 @@
-# ash uses fd 10 (usually) for reading the script
-echo LOST >&10
-echo OK
+echo "Backgrounded pipes shall have their stdin redirected to /dev/null"
+
+# 1. bash does not redirect stdin to /dev/null if it is interactive.
+# hush does it always (this is allowed by standards).
+
+# 2. Failure will result in this script hanging
+
+cat & wait; echo Zero:$?
+
+# This does not work for bash! bash bug?
+cat | cat & wait; echo Zero:$?
+
+echo Done