man pages section 1: User Commands

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Updated: July 2014

constype (1)


constype - print type of Sun console


/usr/bin/constype [ device_name ] [ -num ]


User Commands                                         CONSTYPE(1)

     constype - print type of Sun console

     /usr/bin/constype [ device_name ] [ -num ]

     constype  prints on the standard output the Sun code for the
     type of display that the specified device is.

     If the OS and device support  the  VIS_GETIDENTIFIER  ioctl,
     the  value  returned  from the ioctl is the value printed by
     constype.   Sample types output for these include:

          SUNWffb        Sun Creator 3D (ffb) Graphics Accelerator
          SUNWm64        Sun PGX8, PGX24 or PGX64 Frame Buffer
          SUNWtext       Generic vgatext console for Solaris x86 graphics devices without specific kernel drivers

     Otherwise, the older fbio identification methods  are  used,
     for which the types output include these:

          bw?  Black and White, where ? is 1-4. (eg) 3-50s are bw2
          cg?  Colour Graphics display, where ? is 1-6, 8, 12
          gp?  Optional Graphics Processor board, where ? is 1-2
          ns?  Not Sun display -- where ? is A-J

     This  is  useful  in determining startup values and defaults
     for window systems.

     The device_name argument, if given, is the device  to  exam-
     ine.  If not given, /dev/fb is used.

     The  -num  option causes constype to follow the type keyword
     with the numeric value of that  type,  as  returned  by  the
     FBIOGATTR or FBIOGTYPE ioctl and defined in fbio.h.  This is
     useful if the type is not recognized by the program.

     The program exits with status 0 if  it  identified  a  known
     console type, 1 if the type was unknown, and 2 if the device
     could not be opened or another error occurred.

     Not tested on all frame buffer types


X Version 11       Last change: constype 1.0.4                  1

User Commands                                         CONSTYPE(1)

     Copyright 1988, SRI

     Permission to use, copy, modify, and distribute  this  soft-
     ware  and  its documentation for any purpose and without fee
     is hereby granted, provided that the above copyright  notice
     appear in all copies and that both that copyright notice and
     this permission notice appear in  supporting  documentation,
     and  that the name of SRI not be used in advertising or pub-
     licity pertaining to distribution of  the  software  without
     specific,  written prior permission.  SRI makes no represen-
     tations about the suitability of this software for any  pur-
     pose.   It  is  provided  "as is" without express or implied

     Doug Moran <>

     See  attributes(5)  for  descriptions   of   the   following

     |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
     |Availability                 |diagnostic/constype          |
     |Interface Stability          |Committed                    |

X Version 11       Last change: constype 1.0.4                  2