All Questions
Tagged with framebuffer devices
4
questions
1
vote
1
answer
592
views
Which service creates /dev/fb0 node?
I want to update the console-setup.service to detect screen resolution using fbset -s and adjust console font size accordingly. For fbset, I need /dev/fb0 to be present, but I don't know which service ...
- 123
2
votes
0
answers
358
views
How exactly do the Linux display device files work? [closed]
I don't really understand how the Linux display device files work and interact together. What files in the /dev tree need to go where and where do they need to connect/point to, in order to show a ...
- 2,405
2
votes
2
answers
848
views
How does bash print to the screen if not with a framebuffer? [duplicate]
I noticed that a framebuffer doesn't always exist on some systems. In these cases, how does bash print to the screen (assuming it ever uses fb devices at all)? Since there's no framebuffer device, ...
- 121
3
votes
0
answers
1k
views
Why reading from and writing to framebuffer shows no effect ?
I read a very short description of how to make a Screenshot by making use of the file which represents the framebuffer /dev/fb0.
in order to write the screen content:
cat /dev/fb0 > file
in ...
- 27k