How to discover screen depth

[Alexander Dupuy]

>>>  Is there an easy way to find out the screen depth?
>
>I use the following simple program, which I call displaytype.  It works
>like this:...

Here's an updated version of my screen(1) program for Suns which does all
this and so much more (I took some ideas from the emulation(1) program
posted to sun-spots some time ago).  The names for the various color
displays are somewhat confusing: a CG3 is not the same as a cgthree (the
latter on 386i's).  I have used the names from the October Sun STB article
on color boards.

 sun% screen -v
 /dev/fb is on
 sun% screen type
 is a 1152 x 900 x 1 Monochrome 2 (BW2) display
 emulated by a 1152 x 900 x 10 (256 color) Color Graphics 4 (CG4) display
 sun% screen cgtwo

@alex

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[[ It has replaced the old version in the archives.  It is under
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