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| 6 | | Mann | Mann, Scott.
Linux system security [Текст] : An administrator"s guide to open source security tools / Scott Mann, Ellen L.Mitchell, Mitchell Krell. — 2nd ed. — Upper Saddle River : Prentice Hall PTR, 2003. — 36,857 p. : ill. | |
| | ISBN 0-13-047011-2 | |
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