What exactly refreshing does in windows? [closed]

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What is the main purpose of refresh in windows?

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While refresh has a lot of contexts, it can:

• Reload a web page and not use the cache
• Update the view of the current window with the latest data not in cache
• Force a repaint

Basically, refresh is supposed to give you the freshest view possible of whatever data you're looking at.

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That's a non-programming question, and must be in superuser.com.

Anyway, to answer your question. Refresh renews all information (icons, text, etc) on the windows selected or at the desktop.