$home/manuals/unix_v7/4/cat

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)