http://bugs.winehq.org/show_bug.cgi?id=21227
--- Comment #3 from Dan Kegel dank@kegel.com 2011-05-30 10:40:43 CDT --- "dir | bad" was probably a brain fart.
Hey, in wine, if I do dir > blah > bad type blah I get a sharing violation! I bet cmd leaks a file handle there.