On Mon, Aug 13, 2012 at 07:02:12PM +0800, Liu Yuan wrote: > tailai.ly at taobao:~/sheepdog/tests$ umount --version > umount (util-linux-ng 2.17.2) That's indeed a fairly old version, I have 2.20.1 on my test system. As your version works everywhere putting it in with a comment that old versions require this syntax sounds fine. |