Unix Usernames Home › Forums › OS X Server and Client Discussion › File Serving › Unix Usernames This topic is empty. Viewing 1 post (of 1 total) Author Posts August 23, 2005 at 4:45 pm #362896 AnonymousGuest What characters are not valid in unix usernames? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In