The command to change the screen resolution is xrandr, To see all size available for your screen:
$ xrandr
To choose the another one resolution just use the -s option with the resolution, for example:
$ xrandr -s 800x600
The command to change the screen resolution is xrandr, To see all size available for your screen:
$ xrandr
To choose the another one resolution just use the -s option with the resolution, for example:
$ xrandr -s 800x600