OLD       -  scans a  specified bulletin board or all the boards in the system
             for messages, regardless of whether you have already read them or
             not. You will be shown a directory of all the messages,  and will
             then be given a number of other options.

NEW       -  lists only messages which  you  have  not  read  before.  You can
             specify ALL as  a  topic  to see all messages in the system which
             you have not yet read.

SINCE     -  lists only  those  messages which were posted since a given date.
             You can also  use this option to reduce search time when scanning
             ALL topics for new messages.

FIND      -  allows  you  to  select  messages by content. You can specify any
             text string, and  all  messages  containing  this  string will be
             listed.
