- OS-9 Users Group WWW Page Updated January 5, 1996 Welcome to our page on the world-wide web! Below are frequently asked questions about the OS-9 Users Group. What is the OS-9 Users Group What is OS-9 How do I contact the OS-9 Users Group How much does membership cost Why should I join What is the MOTD Newsletter Application for Membership What is the OS-9 Users Group The OS-9 Users Group, ...os9archive.rtsi.com/os9ugfaq.html