fbset

Show and modify frame buffer device settings. More information: https://manned.org/man/fbset.1.

• Show current framebuffer settings:

sudo fbset {{[-i|--info]}}

• Set a framebuffer mode defined in /etc/fb.modes:

sudo fbset "{{800}}x{{600}}-{{60}}"

• Set an arbitrary framebuffer mode:

sudo fbset {{[-g|--geometry]}} {{TTY_horizontal}} {{TTY_vertical}} {{monitor_horizontal}} {{monitor_vertical}} {{color_depth}}