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enter image description here

So I execute the find command in the picture, why there are so many permission denied? I am a root user. Just this problem.

closed as unclear what you're asking by Rui F Ribeiro, msp9011, Thomas, Christopher, αғsнιη Dec 29 '18 at 6:33

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    Please, don't post images of text. – Kusalananda Dec 28 '18 at 7:44
  • You're copying everything owned by root on the whole system down into /root/results, including the contents of /root/results? Why? Also /proc is not a directory of ordinary files. – Kusalananda Dec 28 '18 at 7:46
  • /proc exists only in memory and is virtual so you can't copy it! The error is normal! – George Udosen Dec 28 '18 at 7:54
  • OK, I gotta it. I am beginning learning linux , so I copy a example of command find in my computer to check it.Then the problem above occured.Now I got the reason.Thanks so much. – Xinyang Zhang Dec 28 '18 at 8:27
  • @GeorgeUdosen Please don't post answers as comments! ;-) Ping me after you've answered and I'll come back to upvote. – Fabby Dec 28 '18 at 21:19
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The /proc and also the /sys exists only in memory and is virtual so you can't copy it!

These are pseudo−filesystems because they exist totally in memory; if you look at the disk partition when the system is not running, there will be only an empty directory which is used as a mount point.

So the error is absolutely normal!

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    And edited and upvoted! – Fabby Dec 28 '18 at 21:35
  • I don't see how this answers the question. – G-Man Dec 29 '18 at 9:37
  • Can those directories be copied as OP is trying to? – George Udosen Dec 29 '18 at 10:29

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