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Whether we could hide the presence of a file by modifiying the gid/uid?

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closed as not a real question by Ignacio Vazquez-Abrams, Nifle, harrymc, random Jan 8 '11 at 15:38

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1 Answer 1

The way to do that is to put the file in a directory and revoke the "r" and "x" permissions on the directory from whomever you don't want. There is no standard way to hide a file by just modifying the permissions of the file itself.

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