$SCRIPT [-u <uname>] [-e <editor>] <command>

 <command> := ""
           := get <pname>
           := passwd
           := list [user|group|pass] <regexfilter>?
           := info [user <uname>|group <gname>|pass <pname>]
           := manage [user <uname> [+|-]<gname>|group <gname> [+|-]<pname>]
           := add [user <uname>|group <gname>|pass <pname>]
           := del [user <uname>|group <gname>|pass <pname>]
           := modify <pname>
           := [promote|demote] <uname>
           := help <command>?

 In interactive mode, any valid <command> string is allowed along with
 'quit' or 'q' to exit the program and 'help' to show this message.