.\" Copyright (c) 1980, 1991, 1993 .\" The Regents of the University of California. All rights reserved. .\" .\" %sccs.include.redist.man% .\" .\" @(#)ct.4 8.1 (Berkeley) 06/05/93 .\" .Dd .Dt CT 4 vax .Os BSD 4 .Sh NAME .Nm \&ct .Nd "C/A/T phototypesetter interface" .Sh SYNOPSIS .Cd "device ct0 at uba0 csr 0167760 vector ctintr" .Sh DESCRIPTION This is an interface to either a Graphic Systems .Tn C/A/T phototypesetter or an Autologic .Tn APS-Micro5 using a .Tn DR-11 C interface. .Pp The .Nm \&ct is a write only device. .Sh FILES .Bl -tag -width /dev/catxx -compact .It Pa /dev/cat .El .Sh DIAGNOSTICS None. .Sh SEE ALSO .Xr troff 1 .Rs .%T Phototypesetter interface specification .Re .Sh HISTORY The .Nm \&ct driver appeared in .Bx 4.1 .