On Mon, Nov 25, 2013 at 10:15 AM, Reco <recoverym4n@gmail.com> wrote: > On Mon, Nov 25, 2013 at 09:05:12AM +0000, Tom H wrote: >> >> What does "-d" mean? > > Compatibility with useradd, which has '-d'. To my surprise manpage > doesn't mention it. I'm not an adduser user so that's why I checked the manpage for "-d". If your assumption that useradd short options should be understood adduser, isn't this a bug?