1CAT(4)                     Kernel Interfaces Manual                     CAT(4)
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NAME

6       cat - phototypesetter interface
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DESCRIPTION

9       Cat  provides the interface to a Graphic Systems C/A/T phototypesetter.
10       Bytes written on the file specify font, size, and other control  infor‐
11       mation as well as the characters to be flashed.  The coding will not be
12       described here.
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14       Only one process may have this file open at a time.  It is write-only.
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FILES

17       /dev/cat
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SEE ALSO

20       troff(1)
21       Phototypesetter interface specification
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