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A Practical Guide to Ubuntu Linux (Versions 8.10 and 8.04), Second Edition by Mark G. Sobell

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21 NIS and LDAP

NIS (Network Information Service) simplifies the maintenance of common administrative files by keeping them in a central database and having clients contact the database server to retrieve information from the database. Developed by Sun Microsystems, NIS is an example of the client/server paradigm.

Just as DNS addresses the problem of keeping multiple copies of /etc/hosts files up-to-date, so NIS deals with the issue of keeping system-independent configuration files (such as /etc/passwd) current. ...

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