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Network and System Security by John R. Vacca

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CHAPTER 6

Eliminating the Security Weakness of Linux and UNIX Operating Systems

Mario SantanaTerremark

Linux and other Unix-like operating systems are prevalent on the Internet for a number of reasons. As an operating system designed to be flexible and robust, Unix lends itself to providing a wide array of host- and network-based services. Unix also has a rich culture from its long history as a fundamental part of computing research in industry and academia. Unix and related operating systems play a key role as platforms for delivering the key services that make the Internet possible.

For these reasons, it is important that information security practitioners understand fundamental Unix concepts in support of practical knowledge of how Unix systems ...

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