In Ubuntu 18.04 on my new laptop, it does not change the screen resolution. In Ubuntu 18.04 on my old laptop, it would stretch to fill the screen, but preserve the app's aspect ratio by placing black bars to the left and right. In previous versions of Ubuntu, fullscreen for this app would stretch to fill the screen, changing the screen resolution in the process. The only options are windowed and fullscreen. There are no resolution settings for this app that I can find. I am not having an issue with dosbox specifically, but with fullscreen apps not resizing the desktop when they are fullscreened.Īnother example is the puzzle game Einstein. I am not looking for assistance with DosBox. I guess using DosBox as an example was a bad choice. # usescancodes: Avoid usage of symkeys, might not work on all operating systems. Resetmapper only works with the defaul value. # mapperfile: File used to load/save the key/event mappings from. # Possible values: lowest, lower, normal, higher, highest, pause. # pause is only valid for the second entry. Second entry behind the comma is for when dosbox is not focused/minimized. # waitonerror: Wait before closing the console if dosbox has an error. # autolock: Mouse will automatically lock, if you click on the screen. # Possible values: surface, overlay, opengl, openglnb. # output: What video system to use for output. # windowresolution: Scale the window to this size IF the output device supports hardware scaling. # If you end up with small window on a large screen, try an output different from surface. # Using your monitor's native resolution with aspect=true might give the best results. # fullresolution: What resolution to use for fullscreen: original or fixed size (e.g. It can reduce screen flickering, but it can also result in a slow DOSBox. # fulldouble: Use double buffering in fullscreen. # fullscreen: Start dosbox directly in fullscreen. # They are used to (briefly) document the effect of each option. # Lines starting with a # are commentlines and are ignored by DOSBox. (Please use the latest version of DOSBox) Code: # This is the configurationfile for DOSBox 0.74.

Making dosbox fullscreen