fbset
configure framebuffer device settings
TLDR
Show current framebuffer settings
$ sudo fbset [-i|--info]
Set a framebuffer mode from fb.modes$ sudo fbset "[800]x[600]-[60]"
Set arbitrary framebuffer mode$ sudo fbset [-g|--geometry] [TTY_horizontal] [TTY_vertical] [monitor_horizontal] [monitor_vertical] [color_depth]
SYNOPSIS
fbset [options] [mode]
DESCRIPTION
fbset shows and modifies Linux framebuffer device settings. It can change resolution, color depth, timing, and other display parameters.
Used for configuring console display on systems using framebuffer.
PARAMETERS
-i, --info
Show framebuffer information-g, --geometry params
Set geometry (xres, yres, vxres, vyres, depth)-t, --timings params
Set display timings-fb device
Use specified framebuffer device
CONFIGURATION
/etc/fb.modes
Defines predefined video modes with resolution, timing, and color depth settings.
CAVEATS
Requires framebuffer support in kernel. May require root privileges. Incorrect settings can cause display issues.