[text]
it allows mode of video boot to be set during run time.
[/text]
SHELL SESSION
[bash]
$pwd
/proc/sys/kernel
$sudo cat ac
acct acpi_video_flags
$sudo cat acpi_video_flags
0
$
[/bash]
LINKS
https://www.kernel.org/doc/Documentation/power/video.txt
https://www.kernel.org/doc/Documentation/sysctl/kernel.txt