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Solaris™ 9 System Administrator Exam Cram™ 2 (Exams 310-014 and 310-015) by Darrell Ambro

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Patch Administration

A patch is a collection of files intended to update or fix problems with installed software. For example, a patch might be required to fix a problem with a system command or to address a security issue. Because most system and application software is installed as packages, patches are applied against one or more packages. Actually, patches are special packages that update other packages. Like packages, a collection of patches can be grouped together into a patch cluster.

The abilities to obtain and install patches, keep track of installed patches, and occasionally remove patches are key skills of a competent system administrator.

Obtaining Patches and Patch Information

Patches can be obtained from Sun Microsystems. Customers ...

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