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BrowserUk
<blockquote><i>how's the OS detects each file and its modifications?</i></blockquote>
<p>It doesn't. When you edit a file, with most programs, the edited file is written out to a completely new file (with a temporary name), then the old file is deleted, and the temporary file is renamed to the old filename. The *ONLY* link between them is the name.
<p>That's life. Stop wishing for the impossible.
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<div>With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'</div>
<div>Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.</div>
<div>"Science is about questioning the status quo. Questioning authority". </div>
<div>In the absence of evidence, opinion is indistinguishable from prejudice.
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