How to change folder icon in ubuntu

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How to change the folder icon in ubuntu??

 Step1: Right Click on the folder whose icon you want to change.

 Step2:Click on the properties

 Step3:Under the Basic Tab click on the folder icon's image.Now it will open you select custom icon window.

 Step4: Go to the /usr/share/icons and select the icon which you want

 Step5:close the properties folder

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