CAT(IV)                      10/27/73                     CAT(IV)



NAME
     cat - phototypesetter interface

DESCRIPTION
     Cat provides the interface to a Graphic Systems C/A/T photo-
     typesetter.  Bytes written on the file specify  font,  size,
     and  other  control information as well as the characters to
     be flashed.  The coding will not be described here.

     Only one process may have this file open at a time.   It  is
     write-only.

FILES
     /dev/cat

SEE ALSO
     troff(I),  Graphic Systems specification (available on re-
     quest)

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