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Unix® and Linux® System Administration Handbook, Fourth Edition by Ben Whaley, Trent R. Hein, Garth Snyder, Evi Nemeth

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19. Sharing System Files

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We’re all familiar with the concept of sharing data among computers, whether that’s accomplished through email attachments, transfer protocols such as HTTP and FTP, or file-sharing services like those provided by NFS and CIFS. These mechanisms are designed primarily as a way for users to share files and application data. However, UNIX and Linux systems can benefit from another type of sharing: the distribution of administrative configuration data. This kind of sharing centralizes administrative control and promotes consistency among systems.

User logins and passwords are a real-world example of the need for this kind of ...

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