xrandr指令用法 输入以下命令查看当前连接的显示设备: # xrandr Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384 HDMI-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1920x1080 60.00*+ 60.00 50.00 1920x1080i 60.00 50.00 1280x1024 60.02 1280x960