The DPI value of a screen indicates how many dots per inch or pixels per inch it supports. As the resolution increases, the display density also increases. You may know what resolution your display has but you may have no idea what your screen's DPI is. It is important to find the proper DPI value in Linux. Setting it to an incorrect value will make controls and icons look blurry or small. In this article, we will see how to find the right value for your screen.
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