fbset
Show and modify frame buffer device settings. tldr-pages
On Linux
Linux
Show current framebuffer settings
sudo fbset --infoIdentifySet a framebuffer mode defined in /etc/fb.modes
sudo fbset "800x600-60"IdentifySet the dimensions of the framebuffer
sudo fbset -xres horizontal_pixels -yres vertical_pixelsIdentifySet an arbitrary framebuffer mode
sudo fbset --geometry tty_horizontal tty_vertical monitor_horizontal monitor_vertical color_depthIdentify