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CAT(4)                     Kernel Interfaces Manual                     CAT(4)



NAME
       cat - phototypesetter interface

DESCRIPTION
       Cat  provides the interface to a Graphic Systems C/A/T phototypesetter.
       Bytes written on the file specify font, size, and other control  infor-
       mation 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(1)
       Phototypesetter interface specification



                                                                        CAT(4)