Help with DECwindows console output
Ted Lemon
mellon at fenris.pa.dec.com
Fri Oct 12 06:44:04 AEST 1990
nigiri% man pm
RISC pm(4)
Name
pm - monochrome/color bitmap graphics
Syntax
device pm0 at ibus? vector pmvint
Description
[...]
The third minor device provides an access path for console output
that does not disturb the graphics display. The caller can open
the device /dev/xcons. When this device is open, the graphics
driver redirects console device output to the input buffer of
this device. This mechanism disables console output on the
screen and saves the output for later display. This preserves the
graphic display integrity.
Input and output on the first and third minor devices are pro-
cessed by the standard line disciplines.
[...]
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