1.MAIL> READ/SUBJECT_SUBSTRING= MEETINGS
      MAIL
      #   From    Date             Subject
      1   BILL    11-DEC-1994        Future Meetings
      This example shows how to use the /SUBJECT_SUBSTRING qualifier
      with the READ command to find messages that contain the
      substring MEETINGS.
    2.MAIL> READ/BEFORE=11-DEC-1994
      This example shows how to use the /BEFORE qualifier with the
      READ command to display all the mail messages in the current
      folder received before December 11, 1994.
    3.MAIL> READ/SINCE=11-DEC-1994
      This example shows how to use the /SINCE qualifier with the
      READ command to display all the mail messages in the current
      folder received on or after December 11, 1994.
    4.MAIL> READ/NEW
      This example shows how to read new mail received while you are
      in Mail.