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There are two user A & B. sharing same server. A has created a directory with permission 700 and both user and group are same i.e. user A

e.g.

drwx --- --- A A temp_dir/

Now user B has permission to access A's files. What B did is, he moved this "temp_dir/" to his home directory.

Now this moved directory has the same permission before i.e. 700 with user and group is A.
When B is trying to access the files from this directory he is not able to do it.
He is not able to change the permission neither he has sudo/root user permission.

How B can access this directory?

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  • "B has permission to access A's files" does that imply they are in the same group?
    – Anthon
    Commented Mar 19, 2015 at 6:41

1 Answer 1

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How B can access this directory?

Well, the directory belongs to A, and A did not grant any permissions on this directory to B. Therefore B cannot access the directory. It's that simple.

If A (or root) wants to grant permissions to B then they should do so with chmod (or chown if root does it).

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  • Actually B has the permission to access the parent directory of "remp_dir/" that's why he is able to move this directory to his home directory.
    – BSalunke
    Commented Mar 19, 2015 at 6:18
  • Correct, that's why he is able to move it. But that does not change the fact that he still does not have any permissions to it after moving it.
    – Celada
    Commented Mar 19, 2015 at 6:20
  • Yes, but if he moved the directory from A's home directory, now it is a part of B's directory, B should have control over it, isn't it?
    – BSalunke
    Commented Mar 19, 2015 at 6:22
  • Why should that be? You said yourself, the permissions of that directory are rwx------ and the owner is A. So A is the only user (other than root, of course) who can access the directory.
    – Celada
    Commented Mar 19, 2015 at 6:24

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